Repairs holes and tears instantly. Tear-Aid has a unique composition that stretches and recovers absorbing the force that causes ordinary products to lift. Holds air and water under pressure even when stretched. UV resistance inhibits yellowing. Conforms to irregular surfaces. Cuts easily to any size with scissors. Won&';t turn gummy. Type A: sticks to canvas, most fabrics, rubber, neoprene, most plastics, nylon, fiberglass, stainless steel, aluminum, polyethylene, polypropylene and non-oiled leather.