Our Type III 7 Strand 550 Paracord is composed of 100% nylon and is excellent for many outdoor activities including, hiking, boating, and camping. Great for tying down loose items while traveling in your vehicle, boat, motorcycle, ATV, or boat. Paracord is composed of seven (7) two-ply yarns (kern) with the sheath (mantle) composed of 32 woven strands. This allows for reduced friction when being used for pulleys or winching. Use our paracord to safely hang large items in storage. Our paracord will not rot or mildew.