Use this unique UV light-activated fiberglass reinforced patch for a multitude of repairs, including cracked or leaking water lines, sanitation systems, bait tank hoses, fuel tanks and lines, antennas and many more! Simply peel away the film to expose the sticky resin, apply it to the surface needing repair and expose to sunlight. Kit contains one 3" x 6" patch. Cures in 10 minutes. Artificial UV light source required for inside use.