Soft polyester. Key lock (keys included). Elasticated packing/clothes retaining straps. 2 corner wheels. Retractable handle. 70cm case.Size (H)70, (W)44, (D)26cm. Capacity 80 litres. Weight 3.3kg. 60cm case.Size (H)60, (W)39, (D)23.5cm. Capacity 55 litres. Weight 2.8kg. 45cm case.Size (H)45, (W)33, (D)20cm. Capacity 29.7 litres. Weight 2.3kg.