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 34 litres weight 29 kg height 55 cm width 40 cm depth 20 cm wheels 4 wheel properties double wheels 360 rotating series samsonite scure dlx material plastic fabric specification flowlite polypropylene inner materials synthetic fiber plastic material properties wat