Polypropylene. Hard moulded. Waterproof. Side closing catches. Key lock (keys supplied). 1 detachable inside pocket and 2 secret compartments. Teddy bear seat belt elasticated packing/clothes retaining straps. 4 corner wheels. Detachable shoulder, towing strap. Should be used as hand luggage - no need to check in. Comes with a Trunki 'passport'. Size (H)31, (W)46, (D)21cm. Weight 1.6kg. Capacity 18 litres. For ages 3 to 6 years