6PCS Reusable Ice Crystal Box Ices Packs for Cool Portable Air Conditioner Fan Freezer Blocks Long-Lasting Bags Camping Outdoor & Indoor Preserve Food (6PCS)

Keep Cool:It can be used as ice crystals of air-conditioning fans, cooling air-conditioning fans can make the cold air more frosty, and it can store cold for a long time, which can be used repeatedly Recycling Design:Freezer Packs have built-in dry ice crystal particles, which have good expansion, strong cold storage, large capacity and high energy storage, and can be used for a long time to cool down and cycle Small Size & Compact:The compact size fits perfectly in small cool boxes, mini fridges, and portable AC water tanks. Easy to store and carry Simple to Apply:Ice crystals expand as they absorb water and freeze, so don't overfill when adding water. After expansion, put it in the refrigerator for about 2-4 hours, and then take it out for lunch bags, etc Multiple Occasions:Ice packs are widely used in various cooling scenarios such as food preservation, air conditioning fan cooling, incubator preservation, back milk preservation, fish preservation, and pet cooling