The BoatLIFE LifeSeal® Sealant Cartridge (1169) is a premium, one-part marine sealant designed for durable, flexible sealing in demanding marine environments. Its clear finish allows for a clean, invisible seal, making it ideal for glass, acrylic, fiberglass, and other surfaces where appearance matters. LifeSeal® provides non-shrinking, watertight protection for deck fittings, portlights, hardware, and joints above or below the waterline, while resisting fuel, oil, and harsh weather conditions.