Incredibly strong. Bonds virtually everything. Wood, stone, metal, ceramic, foam, glass & more. For the toughest jobs on planet Earth. Incredibly strong for the toughest jobs. Expands 3x into the materials. 100% Waterproof: indoor & outdoor. Our strongest & most versatile glue. Visit www.gorillatough.com for more details. www.gorillatough.com. Made in USA domestic & imported materials.