Trolley bag hand baggage type of baggage hard shell suitcase cabin trolley approximate size s suitable for adults colour blue bag feature on board luggage iata norm capacity 38 litres weight 24 kg height 55 cm width 38 cm depth 20 cm wheels 4 wheel properties double wheels 360 rotating series titan x2 material plastic fabric specification polycarbonat inner material synthetic fiber material properties waterproof lockable combination lo