DescriptionThe Trinken Lid was invented after wanting to have a cold beer in a covert manner. Simply open your can of choice, snap it into the bottom of the lid, and pop the lid on the cup. Instant stealth beer cozy! The collapsible cup has the perfect dimensions for your Trinken Lid and canned beverage whether it's a tall can, short can or skinny can. It insulates, looks great, and fits in your pocket or purse. Works with current and previous versions of lids. After trying a Trinken you'll never want to drink out of a can again.