Adult backpack. INSULATED LEAKPROOF COOLER FUNTION: laptop backpack 15.6inch not only keeps the food warm but also keeps cold drinks for about 2-4 hours. The high quality insulation layer of lunch box compartment keeps the food fresh and warm in this college bag, which makes it easy to clean and store food. Travel Laptop backpack cooler bag is suitable for office,college,picnic,beach,trip,travel,outdoor & indoor. Dimension of the cooler compartment: 10.7 x 5.7 x 7 inch TOTE DESIGN LAPTOP COMPARTMENT: 11.4"x 7"x 15.7". Travel backpack lunch bag of one separate laptop compartment hold 15.6 Inch laptop as well as 15 Inch,14 Inch and 13 Inch computer. The design of full opening of this college backpack is convenient to store items, the college items inside are clear at a glance, you don't have to worry about not finding what you want in this womens laptop bag CONVENIENT USB PORT: USB charging part of this college backpack makes it easy to charge your phone while you&#39