Wait, what?! Entertain friends as you pour a beer (bottle or can) into this glass, instantly creating a mind-boggling optical illusion. With its unique “Upside Down” design and double-walled insulation, these glasses are sure to keep your favorite beer cold and crisp from the first sip to the last chug. The set of 2 glasses is perfect for budding beerologists, tailgates, birthdays and groomsman gifts.
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