UST - Ultimate Survival Technologies 550lb test 100% Nylon, 30', Paracord, 550 Hanks, Paracord, Black. Great for a multitude of outdoor uses, UST's Para 550 Hank 30ft is made from 100 percent nylon, wrapped up for compact travel and storage, and includes a convenient carabiner. Great for camping, backpacking, hunting, and more, you can use it to construct a shelter, lash gear together, and even tease out the core threads to use as fishing line, sewing thread, and more. 20-5C30-20