Rothco Woodland Camo Nylon 550lb 1000 Ft Paracord 217. Made of 100% heavy duty nylon shell. These paracord consist of a 7 strand core to increase the ropes Ultimate tensile strength (UTS) or often referred to tensile strength (TS). The 7 inner strands are made of 2 ply nylon. These type III paracords are 550 pound tested this means the paracord can withstand stress up to 550 pounds without snapping or tearing apart. The diameter of these cords are 532. Essential Part Of Any Survival Kit. Lightweight Strong Durable and compact to easily fit into survival and first aid kits of all sizes. Quick drying and will not rot or mildew.