The Frost Buddy Universal Can Cooler is the perfect accessory for backyards, beach days, and BBQs. Unlike other insulated can/bottle coolers, the Frost Buddy suits a number of different sized cans/bottles removing the need to switch insulated coolers when switching drink sizes. With the removable insert, the Frost Buddy is designed to suit: 375ml cans 355ml slim cans 355ml bottles 473ml cans/bottles Keeps drinks up to 20x colder than regular stubby holders. Non-slip rubber bottom for better grip on surfaces. Keeps drinks cold for 8-12 hours & hot for 6 hours. Made from durable double walled vacuum sealed stainless steel. Fits in most standard cup holders.