Works as an ice substitute or addition to your ice stash to make sure your contents stay colder for longer Durable design that is break-resistant to withstand the toughest of tumbles Custom shape reduces freezing time Multiple size options mean that you can outfit everything from your Hopper Flip 12 to your Tundra 350 Dimensions: 8 in long x 5 3/8 in wide x 1 5/8 high