Targus TSB152US BTS Groove Backpack for $15.00. Select in-store pickup at Walmart to save on shipping. Otherwise, shipping is $2.97 for a total of $17.97 shipped. Here is a screenshot for your reference. This backpack is designed to protect laptops with up to 15.6″ screens. It features a large compartment, pen loops and several pockets in the front area, two side water bottle pockets, padded shoulder straps, and carry handle. Most places have this laptop backpack for about $25.