Boatlife Marine Silicone Rubber SealantBoatlife Marine Silicone Rubber Sealant is an all-purpose, 100% marine high quality silicone sealant. This sealant is non-corrosive, acid-free, non-yellowing, mildew-resistant, and low-odor. This silicone rubber sealant is for use above or below the waterline. Features superior flexibility and adhesion to fiberglass, plastic, metal, and wood. Boatlife's Silicone Rubber Sealant retains flexibility and tensile strength even after years of exposure. This product is great for applications where speed is important - it is tack-free in 30 minutes or less and fully cured in 24 hours. Features: All-purpose high quality silicone sealant; Will not shrink, crack, or dry out; Retains flexibility and tensile strength after years of exposure; Will not corrode metal or electronics; Neutral curing system; Sizes Available: Squeeze Tube; 1 oz; 2.8 oz; Cartridge (for caulking gun); 10.6 oz; ***WILL SHIP GROUND ONLY TO THE CONTIGUOUS 48 STATES ONLY***