Specifications:Size: 25x23x16cm Capacity: 8L Material: 600D waterproof Oxford+10MM PE insulation cotton+Environmental protection PVC Holding time: 3 - 6 hours, cooperate with hot and cold bags reachable 4- 6 hours Features:8L capacity double layer multifunctional ice bag, cooler bag, backpack breast milk freezer bag. It can keep cold for 4 hours when used alone, up to 12-16 hours when used with an ice pack. Keep warm time: 3 to 6 hours, 4 to 6 hours when used with ice-hot pack.Unique double-foil ice pack insulation technology. Preservation of function. Functional pouch reasonable, rational allocation of functional pouch, dining utensils, practical and beautiful. The double zip design makes it more convenient and more convenient for storage. Detachable shoulder strap. Package Includes:1 x Lunch Bag Note:1. Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. 2. Please allow slight dimension differences due to different manual measurements.