Heavy duty straps is durable and soft for body. The straps have three layers: Base is heavy-duty nylon with two 100% cotton layers Specification: Width — 45 mm. Thickness — 5 mm. Standard Length — 79, 99, 119 Inches = 2, 2.5, 3 meters. Non-standard Length — 137, 157, 177, 196, 216 foot = 3.5, 4, 4.5, 5, 5.5 meters. Basic color — White. Working Limit Load — 5KN. Breaking Limit Load — 15KN. Also, I can make customize straps for you with non-standard color and size.