Magic Waterproof SealerIf it's cracked, it can be packed This adhesive becomes transparent after use and will not turn yellow over time. Suitable for tiles, bricks, concrete, wood, metal, PVC, etc., without causing surface damage. Widely used in toilet gaps, ceramic tile gaps, windowsills, balconies, exterior walls, ground, bathrooms, Roof, PVC Pipe Joints, Moisture proof Wall Covering, Floor Drain waterproofing, External Wall waterproofing gaps Highlights: Easy to use