(6) 8 oz. Cans. Contains a Mildewcide which Resists Mildew Growth. This R.T.V. Silicone Caulk and Sealant is ideal for use wherever a strong permanently elastic weatherproof caulk, sealant or adhesive is needed. Designed to seal non-porous surfaces around ceramic tile, cultured marble, showers, tubs, sinks and plumbing fixtures. Ideal for caulking windows, doors, sills and ceiling cracks and crevices. Features excellent adhesion and high chemical resistance. Will not sag or shrink during severe temperature changes.