Kevlar Braided Cord: 100% Dupont Kevlar fiber, Multi-strands interweaving braid process, not easy to unravel.Lightweight and strong,perfect for kite string. Low stretch: Kevlar has a much lower stretch than other materials. With Kevlar rope, you get a faster response from your kite for better control of your kite. Cut Resistant: Helps avoid accidental breakage due to prolonged friction or contact with sharp-edged objects. When used as a kite string, other kite strings (non-Kevlar) go through/contact it in flight, Kevlar rope won't let you down. Wide Application: Ideal for many outdoor activities, such as kites flying, fishing, rocketry, camping, hiking equipment fastening, backpacking tarp line, decoration etc. Safe Working Load Limit: 90% of the tensile strength, for the longevity of the cord and safe uses.Please select the appropriate size and length to ensure safe and smooth use.