Trolley bag hand baggage type of baggage soft shell cabin trolley approximate size s suitable for adults colour black bag feature on board luggage iata norm capacity 38 litres maximum volume 42 weight 155 kg height 55 cm width 35 cm depth 20 cm maximum depth 25 wheels 4 wheel properties 360 rotating series american tourister herolite material synthetic fibre fabric specification polyester inner material synthetic fiber material proper