About javascript:;s of this item Two functions: this cooler bag keeps hot and cold well for 2-6 hours under different temperature Large capacity : Size: 24x22x16cm; Capacity: 8L. This lunch box is ideal for students, employees and moms to carry lunch. High Quality Material: Double Layer Fully Insulated & Waterproof Lining: 600D Oxford + Insulation Cotton; YKK closure: a high quality zipper that allows easy access to the interior Practical design - On the top there is a handle and a compartment that can be removed and separated to enlarge the space to put the bottle and the dishes; On the outer side there is a shoulder strap; On the front there is a pocket and behind a mesh pocket for carrying some daily small things Multifunctional: It is applied in various occasions other than daily life: school, office, travel, vacation such as training outing to the picnic etc.