Gorilla Glue is the original heavy-duty polyurethane adhesive, trusted for its incredible strength and versatility. Activated by moisture, the formula expands up to three times its size as it cures, penetrating surfaces to create an incredibly strong, 100% waterproof bond. It's ideal for wood, stone, metal, ceramics, foam and glass, and stands up to extreme heat, cold and moisture without breaking down. Once cured, the bond can be sanded, stained or painted for a seamless finish. This bottle contains 60ml of glue. 100% waterproof, won't break down in extreme heat or cold Expands up to 3x to fill gaps and strengthen the bond Bonds wood, stone, metal, ceramics, foam and glass Sandable, paintable and stainable once cured 115ml bottle