CalPak RBP015 Element 18" Rolling Laptop Backpack for $39.99 shipped.  Here is a screenshot for your reference. Alternatively, it is available at eBags for $39.99 shipped. It features a front organizer pocket, self-repairing zippers, accessory side pockets, and a MP3 player earphone port, along with a laptop compartment that measures 10.5"L x 11" x 1.5"H.  It also has a padded wheel [...]