Keep your beer nice and chilled on the go with the Asobu Frosty Beer 2 Go Vacuum Insulated Beer Cooler. Designed for beer lovers, this accessory fits all standard size beer cans and bottles. To use the Frosty Beer 2 for cans, simply take off the top part. Likewise, removing the top part offers the ideal size cooler for your favorite can of beer. In addition, the lid has a bottle opener built into it, making it easy to crack..