Capacity34 LTDimensions51 x 37 x 27 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. Maxi wheels of 10 cm. 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.