A two-in-one formula that can be used both as an adhesive and a caulk. As a caulk, it provides an antimicrobial, watertight seal for kitchen and bathrooms that can be used for gluing loose tiles, backsplashes, setting sinks and a variety of other adhesive applications. Provides a flexible, water-resistant seal that will not crack or peel when cured. Water-based for easy application, tooling and clean-up.OSI Loctite Polyseamseal Tub and Tile Caulk, 5.5 oz Squeeze Tube, White.