Alex Plus, 10.1 OZ, Clear, Acrylic Latex Caulk Plus Silicone, a superior quality, all-purpose acrylic latex caulk plus silicone. Highly flexible and durable for a waterproof seal, Excellent adhesion, Cured caulk is mold and mildew resistant, Easy to apply and tool, Paintable, Easy water clean-up, Indoor/outdoor use, Exceeds ASTM Specification C834.