Samsonite Tectonic Carrying Case (Rolling Backpack) for 15.6" Notebook - Black, Gray - Shock , Scratch Interior, Bump Interior - Polyurethane, Ripstop Body - Shoulder Strap, Handle - 21" Height x 14" Width x 11" Depth - 1 Each With seven exterior and six interior pockets, this wheeled backpack offers storage space for all your travel essentials. Extra-strength fibers are interwoven into the fabric at specific intervals to provide exceptional tear strength in a lightweight material. Inline skate wheels are constructed of polyurethane with ball bearings to minimize frictional resistance, offer durability and reduce resistance for extra-smooth rolling. Retractable, push-button handle provides easy maneuverability when extended out from the case and stores neatly inside when not in use. Padded laptop compartment protects most 15.6" laptops from shocks while traveling. Quick-change back panel technology allows simple access to the padded shoulder straps. Felt-lined hidden pockets protect your valuable items from scratches and bumps. Stealth zippered water bottle pockets prevent bottles from falling out and keep them hidden from view.