This is a self-adhesive repair tape for RVs. At four inches wide, this quick, waterproof and permanent repair can tackle almost any typical puncture of repair. Each roll has 25 feet of tear and puncture repair. It is colored white to blend in with white RVs. It works best with EPDM, TPO, metal, fiberglass, aged and rigid PVC, vinyl, wood, OSB and most other building materials.