NBN stands for "No Brand Needed." The NBN Trails 15" Computer Backpack is an on-trend backpack designed to support your every need. It features a 15" padded laptop sleeve in the large, zippered main compartment. The front vinyl lash tab and printed lining complement the high-quality material of this backpack. It also includes a backboard for added structure, a trolley sleeve, a padded back, and a side grab handle. You can switch out the interchangeable zipper pullers for a custom look.