Rothco's Nylon Paracord by the spool is made by a certified U.S. government contractor. 550 lb. test - 7 strand core, 100% Nylon. Diameter: 5/32". Made in USA. Paracord is the ultimate survival tool; utilized by the military, campers, and survivalists this parachute cord is a most for everyone. Rothco Item No: 217