Samsonite’s 21″ wheeled backpack in black color has push-button with locking ergonomic handle for comfortable transport. Backpack has smooth-rolling wheels that allows effortless rolling and felt lined hidden pockets for safety. Constructed of Ripstop material. Removable padded laptop sleeve for 17″. Smooth rolling wheels provide near effortless mobility. Padded backpack straps store away when case is wheeled. 21.6″ x 11.8″ x 13.4″