The self-adhesive patch is used to repair the 18 oz vinyl coated polyester of the landing systems. A simple 3 step process ensures a professional repair: 1) identify the damaged area. 2) Clean the area around the rip / tear with the provided alcohol pads. 3) Peel off self adhesive backing and apply to damaged area. If you don’t see the product you’re looking for, Estex can create it for you to your exact specifications.