Polypropylene vs nylon strap reddit Sounds like nylon is best, then polyester, then polypropylene. I go 100% polyester in winter. Polypropylene webbing resists degradation from glues and solvents to provide a material that withstands harsh treatment. Tubular webbing is overkill, and heavier than grosgrain I got myself myself an expensive guitar, and I put strap locks on it the but I wonder what strap would be good to use with it. These days, I prefer nylon for 1 handed swords and foam for 2 handed swords (before getting steel of course). A subreddit for enthusiasts, practitioners, collectors, and investigators of swords (and related historical weapons). This makes nylon webbing an ideal material for making military equipment, harnesses, and belts. Adding the nylon filaments improves durability significantly, ends up being around 9-14% nylon. They are generally less expensive than merino wool and dry faster, making them a good option for wet environments. These plastics need additives to increase their resistance to UV light. So if a wide (4in+), leather strap is out of your budget, I would go for width over material (i. Making clothing less intimidating and helping you develop your own style. High-tenacity nylon and tubular constructions can exceed these values. It has nowhere near the strength of nylon so I can use a much lighter nylon in it's place. For backpack straps and ladderlock buckles, both nylon and polyester webbing are commonly used due to their strength, durability, and resistance to UV exposure. Nylon Webbing absorbs water and has the potential to stretch and weaken when wet for extended periods of time, so it might not be the best choice for all outdoor projects. For many years, jute has been by far the most common webbing material found in furniture suspension systems. You'll notice how flexible it is across the strap (in the short dimension). Durability: nylon is the more durable of the two materials. polyester strapping. Additionally, some catalysts I recently got my first real wool rug. Jul 2, 2010 · I haven't used nylon, but it will stretch, unlike polyester grosgrain Given the tieouts are short, it probably doesn't make any difference. I'll add that a lot of my sewing is already typically using burlier fabrics (at least one layer of 200d nylon is the norm, with 17337 spec 1" or 3/4" nylon webbing). · Moisture Absorption - Polyester and polypropylene are both good moisture-wicking materials. It's very dense, as in each individual strand is about twice as thick as nylon or saran, which makes it very difficult to style. However, there are minor distinctions. Nylon is kind of cheap but stretches badly. 1 silpoly with a soldering iron) Is very small. Polypropylene takes many of the benefits of nylon and applies them to cargoes, toe straps, and military straps. Edge-sewn straps are just one big nice piece of fabric to wrap around the bar, no effort required. Nylon has the most proven track record for durability for sure, but a low-mid nylon against a mid-high polyester are going to be similarly priced and extremely difficult to compare. When choosing between polypropylene (PP) and nylon, environmental impact becomes an important factor. Polypropylene Strap vs Polyester Strap FAQS Limited mechanical properties compared to Nylon. It's not for nothing that they're call "crapstraps. nylon, however. Polypropylene is also very easily dyed, hence you can find any colour or design to match any guitars. Can anyone speak from experience about one vs. Producing polypropylene and nylon in different hues gives producers more options when designing consumer goods. If I am doing a load of strap ends I work at the stove and turn the vent on. But I don't know that I have ever seen the type of polyester advertised when buying fabric, probably because there hasn't been much demand for that information, it is always just listed as polyester. I was looking at the 17336 webbing. 3. Apr 16, 2021 · Polyester webbing will hold less water, more abrasion resistant, less stretch, better rot protection. Any ideas? Paul Nylon. Feb 13, 2025 · Nylon has a higher melting point compared to polypropylene, ranging from 215°C (Nylon 6) to 252°C (Nylon 6,6). Due to the nature of being twisted, it is also possible to turn this cordage into smaller pieces more easily than a braided material. Both nylon and polypropylene are durable and resistant to stress, but polypropylene is stronger than nylon. Like Polypropylene, Nylon Webbing can be finished using heat. One aspect to consider when comparing these materials is their recyclability. Nylon is very strong and is available in several different types, including nylon 6 and nylon 6,6. We would like to show you a description here but the site won’t allow us. The most common response on the interwebs has been "550 paracord" but I am wondering if 4mm accessory cord or another type climbing rope might be a better choiceespecially if it might be used in a survival situation to pull someone out of a sticky situation. In fact, polypropylene is sometimes referred to as the “steel of Jan 30, 2010 · Type 1 - Jute. My company makes a variety of plastic films for pharma, medical device, and food packaging. I'm looking at Tyvek 1460C and 40d Nylon/polyester. Topics include bows, archery, woodworking, woodcarving, artwork and finishing, DIY crafts, wood selection, tree identification, history, archeology, experimental archeology and much more. May 29, 2024 · Polypropylene vs. HDPE and polypropylene do not, as a rule, contain plasticizers. Nylon has several different grades it can fall under, including 66, 11, 12, and 46, depending on how long their polymeric chains are. Jan 31, 2024 · Polypropylene has excellent chemical resistance and is less prone to water absorption, making it ideal for containers and chemical equipment. The material also retains heat and dries quickly. If it's unavoidable, you might as well go with plastic, and just make sure you're using polypropylene vs polyethylene (HDPE), since PP is a bit harder and more heat resistant, but still soft enough that it won't harm your knives. For example, I was shopping for winter socks today and saw that some are made up of as much as 4-5 different fabrics other than cotton/wool (40% polyacryl, 40% wool, 18% polyamide, 2% elastan), yet I have no idea whether that's good or bad. Jun 1, 2023 · The most commonly used types are polypropylene (PP) strapping and polyester (PET) strapping, other types of plastic strapping include nylon strapping. Nylon vs Polyester Webbing Nylon webbing became well known during the 1940s to use on a variety of military goods but is not as long lasting and strong as polypropylene materials. 12-1. 7 mil polycro, which has been happily used as a tent footprint by many for near eternities. This allows it to maintain its shape and mechanical properties under high temperatures, making it ideal for demanding applications such as automotive components and industrial machinery. On my main acoustic (a Breedlove with a large body) I have a leather strap that is about 6" wide and very soft. ROUGHLY speaking polyester should sink in water whereas polypropylene should float. It's noticeable when a RH doll's hair is sort of stiff and slightly stays clumped together, like Georgia Bloom's hair. It stretches a bit and it also "feels cheap" in your hand. It's worth the little bit extra you have to pay for it. CF PETG is very brittle. Real swords, decorative, historical, fantasy; humor, social, ID requests, shopping help, art; all sword-related topics are welcome (we are not very strict about topicality)! Dec 9, 2021 · Polypropylene Straps; Unlike other materials, polypropylene is biodegradable. The difference between the feel of that rug vs my cheap polypropylene rugs is night and day. You can print ~70D TPU on any printer, ~95A-98A is already challenging with bowden, lower than 90A basically require DD and softer stuff in ~60-70A range also requires well-suitable Bankline is a Twisted Nylon Twine, with a "breaking strength" of 340lbs, although I'm not sure if that is Static or Dynamic. Reddit's largest men's fashion community. Nylon’s elasticity allows it to absorb high amounts of stress while remaining strong. polypropoline has initial stretch and then never again. Are other ski straps (rubber, not the d-ring loops) made by other brands just as comparable? Oct 29, 2002 · Nylon stretches a bit when wet while polypropylene doesn't stretch as much, which makes it easier to adjust the harness IMO. The material is both lightweight and Oct 26, 2023 · Nylon production can be more environmentally taxing due to the use of petrochemicals. In the end of each line, tie a simple overhand loop (or whatever type of loop knot you like, like a bowline). com. Marine environments: polypropylene floats in water, and so it makes a great tie down. Its supposed to be quite warm, absorb almost no water, whick well, and be quite durable and not stink as fast. Therefore im looking to find more baselayers that use this material. Polypropylene strapping has a matte finish and is usually embossed. Feb 20, 2014 · About ready to place another order for some straps and had a side conversation about polypro vs. Worked for TSA for a few years. I'm curious how makers in this community use these webbing materials. 1 silnylon, and ridiculously more than 0. But I like the corespun merino stuff in summer because wool is super fragile. Sunbrella® Acrylic/Polyester Webbing: Standard variety. I picked the Mustang's strap because the pale green and white Celtic design perfectly match my bass' colors. Polypropylene straps are the ultimate choice if looking for a lightweight Engineers apply the knowledge of math & science to design and manufacture maintainable systems used to solve specific problems. Rainbow High uses nylon, and I agree, that's an awesome hair type to work with, both in just doing relaxing combing and holding styles. Look for a more substantial weave nylon strap, that's thicker. Related Reading about Nylon Webbing I heard polypropylene has a lot of great qualities compared to Polyester and Nylon. Since polypropylene straps can be dyed easily, finding a strap design that compliments your guitar design is not difficult. I tried "couch" straps and while they have a nice selection and some really cool looking ones, I didn't like the smell but worse yet the nylon and upholstery straps were all slipping so the position of the guitar was all about weight distribution and not how I wanted to hold it. that said, my sewing machine doesn't like it. . 0 oz/yard DCF (Cuben), four times as much as 0. It is very stiff compared to nylon. Stiff yes, not as stiff as CF nylon though. My friends who splurged on Rimowa and other fancier aluminum suitcases have theirs all scratched up. For a soft and fluid feel, you might prefer nylon. Vulnerable to UV radiation, requiring stabilizers. It's used for straps for securing kayaks to your roof rack because it will not stretch like nylon when it rains. While both materials have their own unique properties and benefits, there are some key differences between the two that may make one more suitable for a particular application than the other. May 16, 2024 · Online Article: “Polypropylene vs. The amount of fumes generated when I lay out and cut the cats on a tarp (1. When using your webbing stretcher pull as much as possible until it seems like the teeth will start to rip bigger holes in the jute. Not just polyester. When wet, polyester webbing is very strong. It covers key attributes such as Dec 24, 2020 · How to Tell Polyester and Polypropylene Strapping Apart. Width: You mentioned your current strap is 1/4 inch wide. Edge Finish: The linked article mentions that nylon 6 and nylon 66 perform differently, I would expect the same of the different types of polyester. Black is for inside backs. Advantages: Appearance and Color: Polypropylene vs Nylon. nylon While polypropylene and nylon share some important characteristics, their mechanical specifications differ in a few important ways. Polypropylene vs. Polypropylene is popular in athletic wear because it transfers moisture instead of absorbing it. Nylon: A Comprehensive Comparison” – AZoM (Azom Materials) Source: AZoM; Summary/Annotation: This article from AZoM provides a detailed comparison between polypropylene and nylon, focusing on their chemical structures, mechanical properties, and typical applications. It is one of the most commonly used webbing fabrics in the outdoor industry. Nylon buckle vs the aluminum: the nylon is advertised as "non-marring, non-conductive, and non-reflective. They can also withstand strong friction. Polypropylene and polyester webbing are similar to nylon, but they are lighter than nylon. It's commonly used for projects that require a lightweight yet strong material. Polypropylene has low retained tension, often losing about half of the applied tension While both nylon and Polypropylene are robust synthetic ropes, nylon excels at shock tasks. cheaper 4in nylon vs 3in leather). Tensile strength is far greater in Nylon (4000lbs), but polypropylene (900lbs) is still strong enough as far as I can tell. Additionally, it's less recyclable compared to polypropylene. It has a 3800 lb breaking strength, low Nylon can also take on beautiful colors that do not fade in the sun or when being washed. 51 DCF, almost twice as much as 1. When replacing the strap, you'll want to ensure you get a replacement with the same width or slightly wider. I don't do leather straps; I can't get on with the whole lacing adjustment system and having a tail hanging off the guitar. Nylon and foam both have advantages and drawbacks. You will notice if you look at the dolls who use it how the hair seems to "poof" up from their scalp rather than sitting flat against it. That's the main point because sometimes you need a part that doesn't bent a lot. PFAS are especially problematic since they do not decompose over time, but instead, they build up in the body, causing terrible I mean this in a literal sense. Polypropylene is cheap and doesn't hold up over time. Is this going to stretch too much? Polyester - according to Strapworks - Polyester combines many of the benefits of both polypro and nylon without some of the negatives. Also PP doesn't absorb water (OK, it absorbs some, but for a plastic, it isn't a lot). But I’m sure there’s other factors which may influence these things either way so I wouldn’t bet your life on this advice. NYLON WEBBING Nylon webbing is made of nylon fibers that are known for their strength, durability, and high resistance to wear and tear. Nylon: Applications Polypropylene vs. I have a few of them around but I haven't used them ever again Other things worth considering (as mentioned by others) - strap locks are a must because the strap holes on the strap itself will get looser over time, wider straps spread the weight more, but apart from that it mostly comes down to you liking the look of the thing. A group of friends and I have a set of polypropylene swords we spar with, and I’m looking at a nylon one I would like to add to the collection. I've found that even with the metal cam latch, sometimes the thin nylon straps will have a tendency to slip a little bit. 15 g/cm³: 0. They are well-suited for securing and adjusting straps on backpacks, ensuring they hold tight and don't slip or slide. Broz' nylon straps always hurt the hell out of my hands. Widths from 3/8” to 4” are available (varies by material type). If you have the funds or aren’t afraid to go secondhand I’d get a wool rug. There are two common types of nylon with their own distinctive characteristics, namely Nylon 6 and Nylon 6,6 and they are chemically different from each other. Also consider printer requirements. For this reason, you can easily find nylon in various colors, styles, and applications, including backpack straps and rock climbing safety equipment. The thin nylon cuts into the skin, and the coarseness abrades it. The biggest difference is impact resistance, where CF doesn't do much for PETG, its amazing with nylon. I'm going to be using polyester straps that were on ratcheting tie-downs from a local hardware bargain type place. Unlike nylon, Polypropylene retains its strength Polypropylene has lower water absorption than polyester or nylon, & dries very fast. Nylon is more resistant to abrasion and is used in products requiring high durability, like gears and bearings. I'm relatively new to myog (<2 years) and have a question about needle selection for nylon/polyester webbing. I have an inexpensive nylon strap on my Ibanez MiKro, and a patterned Levy's strap for my Fender Mustang. How Nylon is Produced: Nylon is formed by condensation polymerization. Advantages of Polypropylene vs. A light weight nylon herringbone tape is much nicer than the stiff polypro webbing, but the stiffness makes it perfect for roll tops Attribute Nylon Polypropylene; Chemical Structure: Polyamide: Polyolefin: Melting Point: 160-275°C: 130-171°C: Density: 1. Apr 19, 2021 · Nylon and polypropylene are very similar, but due to variances in their individual structures, there are some significant distinctions you should consider when selecting polypropylene vs. However, for an el cheapo rope not certified to any rigging standards there is really no way of knowing what that factor actually is which is why they all say not for rigging or overhead use to cover themselves when bubba uses one to hoist the engine out of his Chevette. Nylon picks usually have texture on the surface and this helps with grip. Assume Static. There's a difference in the nylon webbing too. PP also has better wear characteristics and thus more durable than nylon. Polyester Webbing: Grosgrain, standard, super heavy duty, tubular and seat belt varieties. Reddit's friendly bow making community. Some have the thin, single layer type. While polypropylene and nylon share some important characteristics, their mechanical specifications differ in a So, what kind of rope should I use for general camping / backpacking chores, like lashings, hanging bear bags, hanging a hammock, etc. I want to create a durable long lasting tent floor for myog tent. Nylon 6,6: Made by reacting adipic acid and hexamethylenediamine. I haven’t found any wool/poly blends to be more compelling in either season than the more pure article. Nylon has by far the greatest moisture absorption (from 2% to 9%). When I started playing in the 90s my local shop had a choice of black nylon or I haven't had any issues with breakage of the Polypropylene, but you do have to consider the fact that dynamic forces are much greater than static forces (so say you jump down some steps, a 20 lb bag can exhibit much greater force), so wear and tear + dynamic forces can cause breakage easier with polypropylene than nylon. There is no simple way to tell them apart. It's the most comfortable strap I've tried by a long way. anywhere for 3-5mm of neoprene is perfect, any more I feel like is too much. If the strap is too narrow, it might not provide the necessary support and could lead to discomfort. Some of the third party straps will be just as good as the official ones. Polypropylene Strapping Polypropylene strapping also called PP strapping or Poly strapping is made from polypropylene resin, a thermoplastic polymer derived from petroleum. Polyester strap, although more expensive, offers superior strength and durability, ensuring that the bundled cartons remain intact during transportation. Nylon in Terms of Their UV Resistance Water Absorption: Nylon has the potential to absorb moisture, which can make it feel heavier and less suitable for water-related activities. On most of my Fenders I use the 1970s-style fabric Fender straps (the brown/yellow ones). true. nylon. Jul 26, 2024 · Nylon Vs Polypropylene; Environmental Impact and Sustainability: Recyclability of Materials: Biodegradability Concerns: Nylon and polypropylene are both commonly used materials in various industries. It's extremely difficult to compare carpets - that's the bottom line. which material would you guys suggest, leaving price out of the equation? The issue with synthetics today is that there’s been research that shows that synthetics when compared to natural fibers such as cotton or wool, contain high amounts of PFAS and BPAS, cancer containing chemicals that can cause hormonal problems, infertility, etc. Now Polypropylene is not commonly used in doll hair for a few reasons. It likely has more capacity and they slap a big factor of safety on it. Nov 30, 2021 · Advantages of polypropylene vs. Abrasion Resistance: Nylon is known for its good abrasion resistance, making it suitable for rugged outdoor use. 895-0. Much like Paracord, this Nylon cord will stretch under load. I don’t know which airport’s TSA baggage officers don’t cut zip ties, but I worked with a lot of people from different airports and at three different airports myself and we all cut them, then replaced them—unless we ran out. But you're probably looking at one in four that are in the same ball park. It possesses the strength of nylon and is lightweight, elastic and strong. " Polyester (aka dacron) is best. For example, following ASTM International standards, independent testing often shows that a 1-inch nylon strap can achieve a breaking strength of around 3,000 to 4,000 pounds. Luggage strap is fine. This is basically a thinner 4088 from what I read. Polyester, polypropylene, or nylon rope works well (don't use Paracord!). Poly propylene w ebbing, like nylon, is a multipurpose material. I use Brynje then add Lifa on top when it gets colder and this system has been awesome from 40F down to -15F, used in different forms (short/long sleeves etc). HC uses the same thing and has had good results with it. Nylon. If water resistance is important to you, then choose polypropylene. Brace for bold statement. Unlike nylon or other fiber plastic material, polypropylene is biodegradable. My beater watch came with a leather strap that started showing wear fairly quickly so I replaced it with a nylon strap which is basically seat belt material and it’s worked out really well. A 1 mm nylon pick can bend like a medium-heavy celluloid or a medium delrin. It can withstand heavy loads, harsh climate conditions, and chemicals. It is far and away the most common webbing. Look and feel - Polyester strapping is glossy and smooth. 150lb is not the ultimate strength of the rope. Synthetic Materials (Polyester, Nylon, Acrylic) are often used in combination with natural materials like wool to create a sock that is both breathable and moisture-wicking. Nylon is plastic as well. So that analogy doesn't really make sense. Black ballistic nylon wears well. As a result of their lack of inherent UV resistance, polypropylene and nylon both need the addition of UV inhibitors. All are available in a variety of sizes and colors. The process depends on the type: Nylon 6: Polymerized from caprolactam. Polypropylene, being widely recyclable, often finds its way back into the consumer market as recycled products, making it somewhat more eco-friendly. Ready? Here we go: Tyvek has no place in ultralight backpacking. CF PETG is a lot easier to print, as PETG is just naturally easier to print, whereas nylon is naturally very difficult (CF making it easier). Nylon: Environmental Considerations. I know nothing about nylon, so my question is, how would a nylon training sword hold up against a polypropylene training sword while fighting? If by polypropylene you mean Cold Steel weapons, they are definitely the worse of the 3 choices. Polypropylene has a glossy look because of its semi-crystalline structure; however, nylon may seem slightly thick if it retains moisture. Moisture absorption is one possible way to tell your three examples apart. It's probably fine for most applications. Thick cotton is far more comfortable than nylon or coarse cotton webbing that is usually used for open or teardrop straps. These olefin films are 'clean' in that processors do not have to add anything other than the pure resin to make a part or film. Oct 2, 2023 · Try Nylon Webbing for items like backpack straps, sporting goods, lanyards, pet collars, leashes, and more. I have quite a few guitars and use different straps on all of them. It has the strength of nylon and is lightweight and sturdy. I'm seeing that the Ernie Ball Polypro Guitar Strap is one of the best seller but it's so cheap so I wonder if it's low quality. While nylon excels in various applications, including bags and sporting gear, it's important to note that its sensitivity to UV rays may limit its suitability for extended outdoor 361 votes, 68 comments. As straps works calls a lot of it “Military Flat Nylon”. Found it on the marketplace for a stupid cheap price and it had been professionally cleaned prior to selling. They use both normal nylon and high-quality nylon. but polypropoline will fray with use as in 'not abrasion resistant' and sunlight will also degrade the material where nylon will last forever. Ultimately, the choice between polyester and nylon paracord depends on your specific needs. Seems like the polyester is the way to go from the description: "Heavyweight polypropylene is great to use in the outdoors. On my heaviest Les Paul I use an inexpensive nylon strap with Dunlop straplocks. 92 g/cm³: Tensile Use Red jute webbing. Yeah it's stiffer. That said nylon usually is a pain to print (plain non-practical on open printer for parts larger than few cm) and fairly firm. Jul 24, 2023 · The ones I use now are so much more comfortable and the nylon web ones just feel so cheap and inadequate to me. Elastic Cord & Webbing stocks a variety of flat webbing material, including cotton webbing, polyester webbing, nylon webbing, and polypro webbing. Tyvek weighs twice as much as 1. Wet Polypropylene keeps its strength. HDPE and especially PP are very safe for food/water contact. It can stink more than polyester but I just manage that on trail. Where as the official ones are rock solid every time. That's also the order of most to least expensive. Just give me a sliding buckle and I'm good to go. Polypropylene Ropes. Feb 15, 2016 · Nylon. My experience is that width is more helpful than thickness or material. Polypropylene strap is a cost-effective option for bundling cartons, providing adequate strength and security. For me the official nylon strap was well worth the extra cost. Lastly is the traditional straps, some brands try to add silicone stickys on their strap, but IMO I like the cotton strap, and I do prefer some sort of neoprene padding with this style. We aim to foster an environment where everybody feels safe and welcomed and where people feel encouraged to have healthy and productive discussions. the other. e. I have a 24” Tumi 19° polycarbonate hard sided piece which we’ve used occasionally, but much prefer the smaller carry-on compliant ones I mentioned above. Tension retention – Polyester retains tension over a long period of time. Nylon webbing is weak when wet and can also stretch. Jul 8, 2021 · Plastics that do not inherently resist damage are referred to as UV-stabilized plastics. When the time comes, like soon, should I opt for poly or nylon? It's all a matter of what's most important to you. Polypropylene rope is ideal for maritime applications. Nylon (according to Strapworks - Nylon stretches when it gets wet, so a nylon strap will not stay tight in the rain or on a river trip. Polypropylene vs Nylon Polypropylene and nylon are both commonly used materials in the production of plastic buckles. If it is ballistic nylon for a kayak skin, I work in the shop with the windows open. I want a high quality one but I'm not sure if it's even a thing for guitar strap. Nylon webbing offers excellent flexibility and a high strength-to-weight ratio. Nylon, on the other hand, absorbs a lot of water comparatively. Can be bought at strapworks. Typical use for 1” is attachment points on bags, should strap attachments and waist belt for smaller Fanny packs. Polyacryl, polyamide, elastan, polyester, acryl, nylon, the list goes on. Polypropylene (PP): Production Concerns: PP production requires a significant amount of energy and emits greenhouse gases. Talk bows and archery, share your creations, and get help from fellow bowyers. I'm not sure about the abrasion properties of polypropylene vs. We welcome those who want to learn and those who want to contribute. " So if I didn't care for those features, is opting for the cheaper one better or does it really not matter in regards to durability? 4. Jute is a natural, vegetable fiber that can be spun into extremely strong bands. Nylon Webbing: Standard, heavy duty and tubular varieties. com, jontay. AskEngineers is a forum for questions about the technologies, standards, and processes used to design & build these systems, as well as for questions about the engineering profession and its many disciplines. Jan 6, 2023 · What Is Nylon? Nylon is another thermoplastic and its properties make it a go-to for manufacturers that are looking for elasticity and resistance to chemicals, fungi, and abrasion. Examples: Dunlop Nylon, Dunlop Max Grip, Herco Flex, Dunlop Jazz III red/stiffo DELRIN - warmer than celluloid but a tad brighter than nylon. Nylon Webbing Strap: A nylon webbing strap is renowned for its high tensile strength. nah it is the base band being bad, if you make it tigher it compressed your wrist from sides and is ok on top and bottom, if you lose to make it ok on sides it is too lose on top and bottom, wrist is not round, garmin forgot about it, nylon band helps big time bc it just grabs your writs with same strenght from all the sides and at the end is like 5times more comfy We would like to show you a description here but the site won’t allow us. You'll need one line for each end of each kayak you want to carry, so four total for two kayaks. Polypropylene Webbing: Standard and heavy duty varieties. I’ve had a watch with a rubber strap and found it durable but it made my wrist sweat during the summer, moreso than leather. ufoqx thg tsogi yvimw thd uoxws howz nrr zpt eqxx lzmvaczf ewt ysals qxh torsyh