Paracord 550 is a thin, 100% nylon rope with a 5/32 in (3.97 mm) diameter, nylon diamond braid cover, and seven-strand nylon core, giving it exceptional strength for its size. It is specifically designed for rugged utility applications requiring strength, durability, and compactness. This soft, pliable rope has a minimum 550 lb (249 kg) breaking strength and will stretch up to 30% of its original length before breaking.