Flex Seal general purpose tape is the original super-strong, waterproof tape that can patch, bond, seal, & repair virtually anything! It is specially formulated with a thick, flexible, rubberized backing that conforms to any shape or object. Unlike other tapes available, Flex Seal tape's bond will increase with time & pressure. Perfect for a variety of surfaces with many uses around the car, boat, RV or home. Grade: General Purpose; Dispenser Included: No; Backing Material: Rubberized; Width: 4".