Campingaz Freez Pack M30 freezer insert Properties: The Camingaz Freez Pack M30 freezer insert will help you cool your drinks and snacks. Can be used in coolers, bags and cooling backpacks. Filled with non-toxic liquid, you can safely use it in contact with food. Dimensions: 25.5x20x3 cm. Weight: 1200 g. Waterproof, reusable.