Alabama Crimson Tide Kolder Kaddy These foldable can holders are constructed from 3mm Neoprene "Wetsuit" rubber. They are designed to keep your favorite beverage COLD.. and your hands WARM! The neoprene construction means it is easy to remove the bottle from the holder - no pliers needed. This can holder folds up for easy storage!. Made By KOLDER Everything for the Sports Addict!