Kids trolley trolley bag hand baggage type of baggage hard shell suitcase approximate size s suitable for children colour yellow theme cars bag feature on board luggage iata norm capacity 18 litres weight 19 kg height 49 cm width 28 cm depth 22 cm wheels 2 series hauptstadtkoffer for kids material plastic fabric specification polycarbonat inner material plastic material properties waterproof lockable no main compartment feature flip o