Trolley bag hand baggage type of baggage hard shell suitcase cabin trolley approximate size s suitable for adults colour red bag feature on board luggage iata norm capacity 37 litres weight 26 kg height 55 cm width 36 cm depth 21 cm wheels 4 wheel properties double wheels 360 rotating series hauptstadtkoffer ostkreuz material plastic fabric specification polypropylen inner material synthetic fiber material properties waterproof lockable