Insulated & Leakproof Cooler Funcion: MATEIN lunch bags for women adopts environment-friendly and sturdy Oxford cloth and insulating aluminum foil, which can keep food fresh for 2-4 hours and protect items from getting wet. The non-toxic materials in the lunch box make your food safer. College backpack cooler bag is suitable for work meals, picnic meals, outdoor barbecues, food management, travel or shopping. Dimension of the cooler compartment: 10 x 5.5 x 7.5 inch Comfortable & Strong: Comfortable and breathable back design of book bag with lunch box is friendly to college high school students teachers. Thick and soft multi piece breathable pad provides maximum support for the back of nursery nurses. Breathable adjustable shoulder strap reduces shoulder pressure of medical doctors Storage Space & Pocket: The separate padded pocket fits most laptops with screens up to 15.6 inches, as well as 14 inch laptops or 13 inch laptops. There is a hidden anti-theft pocket on the back of tr