These are not Dry Ice (which is frozen carbon dioxide). No steaming or cryo-burning. They are sheets containing dry nontoxic sodium acrylate powder. They ship and store dry and flat, and can be hydrated with tap water, and then frozen for cooling when you're ready to use them.
Cryosheets store flat, light and dry. simply hydrate with water and put int the freezer for a flexible, dry cooling pack that measures 9" x 16.5".
Or, cut it to size in between the gel packs, into pieces as small as 2" x 2".
Cryosheets absorb over 30 times their own weight in water, and stay dry while cooling your food, drink, medicine, or body part.
Want a smaller package? You can buy packs of 5 and 10 at our Amazon store: