This 100% nylon paracord (550 cord) has a kermantle construction with an outer sheath over 7 internal strands, rated to at least 550 lbs (250 kgs) breaking strength. Paracord is a super useful back-country tool with hundreds of applications, including tying off tents, hanging food, quick equipment repairs, and more. Available in 50' (15.2 m) and 100' (30.5 m) lengths, 5/32” (4 mm) in diameter.