Tundra series ice size is x-large
Freezes at 5 degrees Fahrenheit
All natural product derived from vegetable oils
Tested to be reusable up to 100,000 times
Lasts much longer than ice and can be used with ice
Freezes at +5 Degrees Fahrenheit
Lasts much longer than ice
Arctic Ice Tundra Series Reusable Cooler Pack - B011ZX5CF8