Staples offers the Solo Pro Collection Laptop Backpack in Black, model no. PRO742-4, for $25.99. Plus, Staples Rewards members bag free shipping. (Not a member? It's free to join.) That's the lowest total price we could find by $27. It features a padded 17.3" laptop compartment, interior tablet pocket, and padded straps and handle. Deal ends August 29.