Trolley bag hand baggage type of baggage soft shell cabin trolley approximate size s suitable for adults colour blue bag feature on board luggage iata norm capacity 45 litres maximum volume 50 weight 27 kg height 55 cm width 40 cm depth 20 cm maximum depth 24 wheels 2 wheel properties inline skate wheels series samsonite asphere material synthetic fibre inner material polyester material properties water resistant lockable combination