children lunch backpack it has two main compartments , one of them is the cooling bottom for carrying the lunch box , children lunch backpackitem no: YS-11LB40Material : 600D POLYESTERSize: 20*14*27cmN.W: 0.27KG/PCthere are two main compartments , the cooling bottom is for carrying the lunch box, another compartment is for some things . an additional net pouch for holding the bottle .