Use for sealing around bathtubs, sinks, shower stalls, tiles and plumbing fixtures. Excellent adhesion to ceramic, porcelain, glass, fiberglass composites, enamel, aluminum, stainless steel, wood, many plastics and wallboard. Contains mildewcide. Cured caulk will resist mold and mildew growth. Permanently flexible and durable for a long lasting, professional finish. 5.5 oz. tube.