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 35 litres maximum volume 42 weight 22 kg height 55 cm width 37 cm depth 23 cm maximum depth 28 wheels 2 wheel properties inline skate wheels series stratic slot material synthetic fibre fabric specification polyester inner material synthetic fiber material properties wate