Insulated Cooler Compartment: The lunch box compartment measures: 29 x 14 x 17.5 cm (holds 10 cans). It is made of water-resistant aluminum and high-quality lining material to not only keep food warm but also keep drinks cold for about 3-5 hours. The foldable lunch storage also ensures food safety. Please note that when the lunch area is full, the available space for other items in the backpack will be reduced accordingly.Multiple Organized Pockets: Overall bag size: 45 cm H x 30 cm L x 21 cm W. The work backpack has 1 laptop sleeve compartment for 17.3 15.6 15 14 13.3 inch laptops, 1 main zippered pocket spacious for clothes, files, papers, etc. 2 small front pockets for your daily essentials (1 slot and 1 key hook inside). 2 side pockets for umbrella or facial tissue. Large capacity backpack is perfect for commuting.Comfortable User Experience: External USB port and built-in charging cable offer a convenient way to charge your electronic devices on the go. (Please note that you need to provide your own power bank.) This flight-approved laptop backpack can be freely unfolded 90-180 degrees so you can quickly find your laptop whether you are in the office or college.Padded and Anti-theft: This lunch bag backpack features breathable mesh pads on the shoulder straps, back, and handle, making it easy to carry for a long time, such as hiking, mountaineering. There is an anti-theft pocket on the back of the backpack to store your important accessories such as passports, wallets, ID cards. In addition, the luggage strap allows the backpack to fit on the luggage case and slide along with it.