CanKeeper® 3 In 1 from BottleKeeper® is double walled and vacuum insulated to keep your drink cold for hours. The lid is designed to keep the cold in and bugs and dirt out while the sweat-proof design means dry hands and no more wet rings on your table. And if that's not enough, the spring loaded base is built for a secure fit for most 12 oz., 16 oz., and skinny cans! Custom slider on lid keeps cold in and dirt out. Removable slim can insert.