Never worry about spilling your Red Bull or other slim aluminum can again with this Slim Can Cup Holder Adapter designed to fit 355 mL/12 oz. and 250 mL/8.4 oz. cans. This product is brand new and shipped with USPS First Class. It is produced and 3D printed in the USA from space grey PETG plastic. It is compatible with Red Bull, Red Bull Sugar Free, Coke Energy, and Coke Zero Energy, among other cans.