Material ABS. Waterproof. Hard. Moulded. Security / clothes retaining straps. Interlocking zips. 2 plastic wheels on each trolley case. Retractable tow handle. 50.8cm case.Size (H)50.8cm, (W)35.5, (D)22.8cm. Weight 2.6kg. Capacity 36 litres. 63.5cm case.Size (H)63.5, (W)43.1, (D)26.6cm. Weight 4.3kg. Capacity 67 litres. 71.1cm case.Size (H)71.12, (W)50.8, (D)30.4cm. Weight 5.7kg. Capacity 115 litres.