The Material we are using is Electrolytic galvanized steel sheet for all our products, including filing cabinet, mobile filing cabinet, pedestal mobile cabinets, bookshelf and so on. It is different from common steel, which makes product has longer life-circle meanwhile anti-rust ability will be much better Anti-tilt feature to prevent tipping Lockable - Master key All steel construction Power coated finish 2 Drawer 717H x 635D x 457W 3 Drawer 1020H x 635D x 457W 4 Drawer 1320H x 635D x 457W