YETI Thin Ice™ is filled to the brim with science, dialed in to the most effective temperature to maximinze the ice retention of YETI soft Coolers, with a durable design that is break-resistant. Its custom shape reduces freezing time and multiple size options mean that you can outfit all your YETI Soft Coolers. It works as an ice supplement, a welcome addition to your ice stash to make sure your contents stay colder longer.