As one of its daily deals, Staples offers the Samsonite Vizair Laptop Backpack in Silver, Black, or Gunmetal for $42.99. 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 $17. It features a padded compartment to hold up to a 16" laptop and zippered media pocket. Deal ends August 25.