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 38 litres weight 2 kg height 55 cm width 40 cm depth 20 cm wheels 4 wheel properties double wheels 360 rotating series samsonite smarttop materials synthetic fibre plastic fabric specification polypropylen inner material polyester material properties water resistant lockable