With this cooling element from Campingaz you keep all your food, drinks and medicines effectively cold. You use the Freez Pack cooling elements for example in the Isotherm coolers from Campingaz. The elements are filled with a non-toxic water-based coolant. They are food safe, reusable and dishwasher safe. An M20 cooling element measures 11 x 21 x 3.7 cm. This set contains 1 piece.