Capacity34 LTDimensions50 x 38 x 26 cmFunctionalsDouble telescopic bar with Crossover System to “save” the shoulder straps. 3 possible uses: 1) Backpack without the trolley cart; 2) Backpack with wheels; 3) Hand Luggage. 4 wheels with 360° rotation system.Other features Removable carabiner. Reinforced bottom and corner protection.Warranty2 YEARSBackPadded and lined with outer fabric.ShoulderPadded and lined with outer fabric. The shoulder-straps can be lifted-up throught the CROSS-OVER SYSTEM: the height-adjustable retractable trolley handle lift the straps when it is used as a wheeled backpack.PocketsFront pocket.FabricPolyester fabric.