Flex Tape Black is a strong rubberized waterproof patch designed to instantly stop leaks on a wide range of surfaces. It features a super-strong adhesive with thick rubberized backing that seals out water, air, and moisture—even underwater. Ideal for emergency repairs on pipes, hoses, gutters, roofs, and outdoor equipment. Package includes two black patches, each measuring 3 in × 4 in (7.65 cm × 10.2 cm).