Trolley bag hand baggage type of baggage hard shell suitcase cabin trolley approximate size s suitable for adults colour silver bag feature on board luggage iata norm capacity 40 litres weight 35 kg height 55 cm width 35 cm depth 25 cm wheels 4 wheel properties double wheels 360 rotating series delsey vavin securite material plastic fabric specification polycarbonat inner material synthetic fiber material properties waterproof lockable