Trolley bag type of baggage hard shell suitcase approximate size m suitable for adults colour blue capacity 689 litres weight 31 kg height 64 cm width 44 cm depth 27 cm wheels 4 wheel properties double wheels 360 rotating series delsey helium air material plastic fabric specification makrolon polycarbonate inner material nylon material properties waterproof lockable integrated lock combination lock tsa lock main compartment feature flip