Ever wanted to keep your 16 oz cans super cold in your original Yeti Colster? Now you can! PATENTED design is perfectly sized to snugly hold a 16 oz. can in your original Yeti Colster! Perfect for 16 oz. Cans of Craft Beer or Energy Drinks! Injection molded with a finish to match your top gasket. Comes in various colors to personalize your drinking experience! ADAPTER ONLY - CAN COOLER NOT INCLUDED. Not intended for use with Colster 2.0 - CHECK COMPATIBILITY BEFORE ORDERING