Staples offers the Swiss Elite Mobile Laptop Backpack
, model no. BBP.1039.61, for $24.99
. Plus, Staples rewards members bag free shipping
. (Not a member? It's free to join
.) That's $20 off list and the lowest total price we could find. It features a padded laptop sleeve, exterior zip and mesh pockets, and padded shoulder straps, and it's water and abrasion resistant.