Insulated Cooler Backpack with USB Port

This school 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 school bookbag, which makes it easy to clean and store food. Travel Laptop backpack cooler bag is suitable for school,office,college,picnic,beach,trip,travel,outdoor&indoor. Dimension of the cooler compartment: 10.7 x 5.7 x 7 inch.USB charging part of this college school backpack makes it easy to charge your phone while you're walking,convenient and practical,note not inclube power bank.