... wooden ,have some bleeder vent,so good ventilation,water-proof,Anti-Crush1) Door leaf : Solid fir skeleton inside, HDF boards for ... 2,000 x 800 x 40mm 3)Wall thickness: 260mm4)door frame thickness:25mm5) Materials: HDF veneers, solid fir skeleton ... ,filed with honeycomb paperboard6) Material of door frame: HDF board7)Surface:melamine8) Accessories: hinges, locks, handles, ...