Campingaz Freez Pack M10 The Camingaz Freez Pack M10 is a freezer insert for coolers, bags, and backpacks. It will help keep drinks and snacks cool. Filled with non-toxic liquid. Technical data: - dimensions: 18x10x3 cm - weight: 350 g - waterproof - reusable - easy to keep clean - filled with a liquid mixture of water, dye, carboxymethylcellulose, and acidic agent. Therefore, if the packaging is damaged, it is completely harmless to health.