YETI® Ice Block is filled to the brim with science, dialed in to the most effective temperature to maximize the ice retention of any cooler, with a durable design that is break-resistant. Its custom shape reduces freezing time and multiple size options mean that you can outfit everything from your Roadie® 24 to your Tundra® 350 with YETI® Ice Block. It works as an ice supplement, a welcome addition to your ice stash to make sure your contents stay colder for longer.