Check the listing for details. 4more - 16oz Adapter for the Original Yeti Colster, RTIC, Ozark Trail and more!. Condition: New. Listed at 8.95 USD. 4more - 16oz Adapter for the Original Yeti Colster, RTIC, Ozark Trail and more! Ever wanted to keep your 16 oz cans super cold in your Yeti Colster? Now you can! Patent Pending design is perfectly sized to snugly hold a 16 oz. can in your 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 FOR USE WITH THE COLSTER 2.0 Patent Pending design is perfectly sized to snugly hold a 16 oz. can in your Yeti Colster! Perfect for 16 oz. Cans of Craft Beer or Energy Drinks! In-house testing has shown that after an hour in 90deg heat, the temperature of the beverage only rose 3 degrees (compared to a 30degree rise for neoprene type koozies) Made of durable injection molded plastic and comes in various colors to personalize your drinking experience! - NOT 3D PRINTED NOT FOR USE WITH THE COLSTER 2.0 ADAPTER ONLY: Cooler assembly not included. When not in use, store in a cool dry place. Free Shipping!