A new-styled cooler bag, which adopts cooler Gel as its cold resource and multi-layered, adiabatic material to preserve the temperature, is the patent product of HTKJ.It needn`t electricity and can freeze the drinks of normal temperature. And it can decrease the temperature of the drinks to nearly 0℃ in two or three hours, and keep them below 8℃ for more than 24 hours.
we can supply Freezer Bag