Insulated Cooler Compartment: Dimension of the lunch box compartment: 12.6 x 7.7 x 6.1 inches(hold up 10 cans). It is made of water-resistant Aluminum and high-quality lining material to not only keep the food warm but also keep drinks cold about 3-5 hours. Also the foldable lunch layer ensures food safety. Please note that when the lunch area is full, the available space for other things in the men backpack will be correspondingly reduced Multiple Organized Pockets: The whole bag size: 21" H x 14" L x 9.1" W. The work backpack features 1 laptop sleeve compartment for 18 17.3 15.6 15 14 13.3 inch laptops, 1 main zipper pocket roomy for clothes, files, papers etc. 2 small front pockets for your daily necessities(1 groove & 1 key hook inside). 2 side pockets for umbrella or facial tissue. Large capacity laptop backpack is perfect for commute Comfortable Using Experience: External USB port and set-in charging cable offer a convenient way to charge your electronic devices