Product Description Gorilla Glue is a unique, 100% waterproof, weatherproof, and temperature resistant poly glue. Expands to 3x its size and forms an unbreakable bond with almost any material, including wood, ceramic, stone, metal, glass, foam and much more. For indoor & outdoor use and strong enough to stand up to intense heat or cold. Once dry, it's also sandable, paintable and even stainable, allowing you to create the perfect finish. Unique anti-clog cap with a metal pin inside to ensure an airtight seal for maximum reusability.