Tumi Alpha Bravo Peterson Wheeled Backpack, Hickory, One Size Padded backpack straps, retractable pull handle, top carry handle, front zip pockets, side pockets, waterproof pocket, two-wheel system and wheel flap, id tag Combination Lock, Laptop compartment, tablet pocket, zip pockets, open pocket, tie-down straps, key leash 21 x 13.8 x 6.8