Flex Tape is the original super strong, waterproof tape engineered to patch, bond, seal, and repair virtually anything. Its thick, flexible, rubberized backing conforms to any shape or object, making it ideal for cars, boats, RVs, and homes. Unlike standard tapes, Flex Tape's bond strengthens over time and under pressure. The triple-thick formula instantly stops even the toughest leaks by virtually welding itself to the surface. Works on a wide variety of materials and surfaces. This 4-inch by 5-foot roll of clear Flex Tape delivers professional-grade waterproof sealing for indoor and outdoor applications.