Feature:1. COLD HOT INSULATION: This backpack has thermal and cold insulation function, with good waterproof effect, which is very suitable for outdoor use.2. OXFORD FABRIC: The backpack is made of high density oxford fabric, which is wear and scratch resistant, fully protecting the internal items.3. ALUMINUM FOIL: The lining is made of insulating aluminum foil, which ensures long term thermal and cold insulation, ensuring fresher food.4. LARGE CAPACITY: The backpack has a large capacity, can store drinkings, fruits, snacks, etc., the side mesh bag can hold bottles and folding umbrellas.5. FOR OUTDOOR USE: This backpack can be carried on your shoulder or carried by hand, and suitable for outdoor hiking, fitness, camping, picnics, etc.Specification:Item Type: BackpackProduct Material: Oxford ClothHeight: Approx. 44cm or 17.3inWidth: Approx. 28cm or 11inThickness: Approx. 14cm or 5.5in.Package List:1 x BackpackNote:Please allow errors for manual measurement.