This Waterproof & Adhesive Caulk Strip is anti-mold, dirt-resistant, easy to clean, and lasts up to 5 years. Simply peel and stick the caulk to easily cover cracks, gaps, and damaged corners. It is waterproof so it works well on tubs, tile, glass, and ceramic tile surfaces. It creates a moisture-resistant barrier around sinks and counters. The mildew-resistant strip is perfect for sealing bathtubs, showers, and wall trim.