Made of stainless steel, it can be used to keep cold or heat on 12 oz skinny tall can, standard regular can, beer bottle or used as a leak-proof travel mug. It keeps your drink much colder than a neoprene can cooler. With two lids, one is nomal cap, another one is for can cooler. Simply screw off the rubber top and place the beverage inside. This cup-shaped design, which is easy to place in the car, will make your trip more perfect. 2 51/64" x 6 19/64"