Cool til the last swig! Perfect for the golf enthusiast, this patented dimple design looks and feels like a golf ball. This 12 oz can cooler will keep your can or glass bottle beverages cold for 9& hours and hot for 3& hours. Simply twist off the top ring to insert your can/bottle, then twist the ring back on to secure and you're ready to enjoy! Holds most 12oz cans and glass bottles including beer, soda, and sparkling water. Non-slip, scratch-free silicone base. Engraved with I ? Explosives logo on one side and Dyno Nobel logo on reverse.