EasyLife 2 Pieces Universal Air Conditioner Fan Ice Box Air Cooler Refrigeration Ice Crystal Preservation Incubator Refrigeration Blue Ice Pack

Freezer Packs contain dry ice crystal particles, coarse particles, good expansion, strong cold storage, large capacity and high energy storage for long-term cooling cycle use. Freezer Packs for Cooler case is made of thickened PE material. Leak-proof, sturdy, doesn't take up a lot of space, and is easy to clean. You need to add water to use it by yourself. After adding water, the ice crystal particles will expand. You need to reserve a certain space. After expansion, put it in the refrigerator for about 2-4 hours and then take it out for lunch bags. With the characteristics of long cold storage and reusable use, Cooler Ice Packs can be used as air conditioning fans to make the cold air more frosty.