A unique combination of marine silicone and polyurethane, formulated especially for fiberglass. lifeseal; offers a fast curing, low odor, high adhesion, non sagging, non corrosive, non yellowing formula. may be used above and below the waterline. use for sealing decks to hulls, thru hull fittings, vinyl ports, sealing/glazing windshields and bedding marine hardware. will adhere to metal, glass, wood, lexan;, abs; and certain other materials. can be removed without damaging gel coat. not recommended for ferro cement hulls, impregnated wood or oil soaked materials. cures in presence of water. FeaturesAdhesive sealantSpecifications Color: Black Capacity: 10.6 oz Dimension: 12.5 x 4.75 x 12.5 in. Weight: 0.82 lbs