Material and Size: KEOFID laptop backpack is made of high quality water-resistant, durable fabric provides a sturdy and chic exterior. The backpack SIZE is 17.3*12.6*7.2 inches, easy to organize all personal items and fit up to 15.6" laptops. | Classic Design:Total 4 compartments and two side pockets,main compartment with 15.6” laptop pocket and an extra padded sleeve for tablets or Kindle, can storage books and business files while still having room for daily necessities, front compartment with organizer and 2 front pockets provide plenty of capacity for the organization. 2 elastic side pockets can fit different size of bottles. | Multi Function:Our backpacks with a built-in USB charging port, easy to charge your phone when on-the-go (Not includes the power bank). With a luggage belt on the back panel, it is easy to put on the luggage handle when travel. One hidden anti-theft pocket to protect your important items. | USAGE:This water resistant laptop backpack will be a perfect backpack for College. Also as a casual travel backpack for travel, work backpack for business. A good gift choice for men and women, present for christmas. | No-Risk-Purchase & Quality warranty: KEOFID backpacks provide a 12-hour customer service and 1-year warranty policy, if you have any problem with the backpack, please contact us anytime.