Cooler Bag for frozen food 1)hold food inside below 10deg.C ... to 10 deg.C about 24-30 hours5.Packing: PE bag + Packing Carton, Carton Size:73.5 * 36.5 * 32 ... 1.1 Leisure, outdoors field such as BBQ, picnic, fishing and etc., users can get the cold drink, wine , beer ... available. 1.2 Transportation, Ice Brick can be cold source, keep food, fresh, not turn into bad. PolarBag cooler bag for frozen food