Keep your beverage of choice insulated while showing off your geek credentials with this cool little koozie. Hand-crafted from aluminum chain mail in a butted style and weighing in at just under 7 oz, this lightweight koozie makes a perfect gift. The bag is about 6 inches deep while an elastic band enabling the opening to stretch to approximately 4 inches wide in order to accommodate most typical can sizes. Constructed from aluminum, the rings will never rust or tarnish so if you spill something on it simply put the bag in your dishwasher and run it through with your dishes.