Sometimes you have to guard your beer like you're under attack and gear up with your BATTLE KOOZIE. Designed to capture the look of authentic military issue tactical gear, each drink cozy is made from durable polyester, equipped with adjustable hooks and loop fields. Suitable for use with aluminum cans, beer bottles, and even sports drink bottles up to 40 oz. Measures approximately 6.5" x 5.5" x .75" when laid flat. Suit up your next cold brew with this battle ready tactical beer vest koozie.