Pack paracord tested for its strength; Rothcos Nylon Paracord 550lb 600 Ft Spool. Survival Cord Is 550lb Tested And Constructed With A 7-Strand Core To Stand Tough Against Tactical Challenges. Parachute Cord Made With 100% Nylon At A Diameter Of 5/32 Inches, Making This 550lb Cord Durable Yet Lightweight. Each Spool Contains 600 Feet Of Nylon Paracord, Plenty To Tackle Your Next Expedition. Proudly Made In The USA By A Certified U.S. Government Contractor. Parachute Cord Uses Include Camping, Hunting, And Making Bracelets, Key-Chains, And Other Rope Accessories