Our 550 Type III paracord is a commercial grade version of Mil-Spec parachute cord: a 100% nylon kernmantle rope made of seven inner double-twisted strands and a 32-strand woven outer sheath with minimum break strength of 550 lbs. 550 paracord is extremely popular for a wide variety of creative crafting and do-it-yourself projects, as well as many practical uses like survival bracelets, boot laces, key chains, weapon handles, belts, dog leashes, and much more.