parachute cord
Paracord is a quick drying and rot resistant nylon rope with a break strength of 550 lbs. It is available in many colors and should be one of the first items you buy for any personal survival kit. An important factor in choosing paracords is their weight capacity. This mostly depends on the number of nylon strands present in the cord. Cords are classified as Type I, Type II, Type III, and Type IV. Type I, the lightest variety, can support up to 100 pounds and has five nylon strands.
parachute cord