About This MARINE SILICONE SEALANT: Available in black, white, and clear, this superior heavy-duty adhesive bonds to fiberglass, wood, glass, metal, and plastics for above and below the waterline applications WATERPROOF & DURABLE: Provides a waterproof, airtight bond that won't crack, shrink, or turn yellow. Resistant to sunlight, weathering, chemicals, and solvents. Dries tack-free in under an hour and cures completely in 24 hours VERSATILE APPLICATIONS: Suitable for mounting deck hardware and as a gasketing material under compression. Works well for windshields, portholes, through-hull fittings, joints, cracks, bathtubs, sinks, windows, doors, and gutters EASY TO APPLY: Applies easily with continuous pressure, works into cracks and openings, and skins over in 10 minutes LONG-LASTING PERFORMANCE: Forms a durable silicone rubber that remains flexible from -60F to +450F. Resistant to UV rays, weathering, chemicals, and solvents. Suitable for marine and home use alike HIGH QUALITY STANDARDS: Meets stringent standards for performance and reliability in demanding marine and household environments TEMPERATURE RESISTANCE: Maintains flexibility and adhesion across extreme temperature ranges from negative 60 degrees Fahrenheit to positive 450 degrees Fahrenheit QUICK CURING TIME: Skins over in just 10 minutes, becomes tack-free in under one hour, and achieves complete cure within 24 hours for fast project completion #1 SELLING FUEL ADDITIVE: Star Tron is the top-selling and highest-rated gasoline treatment for the prevention of ethanol fuel problems, trusted by thousands of satisfied customers to enhance the performance of all types of engines. Overview Material : Silicone Brand : STAR BRITE Style : White 2.8 Oz Item dimensions L x W x H : 1.5 x 4.5 x 8 inches Water Resistance Level : Waterproof