Size: 2.0 x 4.0 x 1.8 inches (50 x 103 x 45 mm); Material: Urethane foam, polyethylene; A compound dedicated sponge that resembles the sponge buff used by professionals and polishes uniformly. Weight: 0.4 oz (10 g). The finish is uniform after polishing. Grip shape that prevents hand fatigue; Uses: For polishing work with compounds; How to use: Apply a compound on the polishing surface (black sponge part) and blend into the entire polishing surface. Polish straight with the force of the sponge to flatten easily. Storage Instructions: After use, wash with a mild detergent, rinse the water thoroughly and let it dry. Code Model Number: EA920AN-30