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 B: Sticks to vinyl and vinyl-coated materials. Has unique adhesive that resists the oils in vinyl.