HypaCool Compact Instant Ice Packs are designed to provide quick and mess free cold therapy treatment in the acute stages of sports injuries and muscle or joint injuries. Instant ice packs are do not need any pre-cooling prior to use as they are activated simply by squeezing the pack.  The compact size of HypaCool Compact Instant Ice Packs makes them ideal for adding to a first aid kit or just keeping handy in case of an injury whilst still delivering effective cooling therapy.