5 pack of Flex cuffs + USA keychain Flex cuffs are made from Nylon 66 material for exceptional toughness and serviceability in most situations with UV and heat resistance. Double lock design of these flex cuffs ensures maximum security, with a tensile strength rating of up to 250 lbs. Specs: Tensile : 250ftlb Total length : 27” Cuff width : 4.5” Weight : 1oz per Zip cuff About Us: We are a combat veteran owned and operated small business located in Southeastern Washington. We know our way around flex cuffs! Our Mission: Offer products that we can stand behind. Our Guarantee: We stand behind all our products. If you have any questions or comments, please reach out to us and we will respond as soon as possible.