1, Door skin: cold roll steel 2, Door Finish: pvc coated, different colors are available (according to pvc color chart) 3, Door edge: pine wood, steel edge optional. 4, Door core: Insulated with high density poly foam. 5, Door frame: Detachable steel frame, knock down packing (optional); size: JX-86, JX-N108, and JX-N254 (optional) solid wood block for the door hole. 6, Avaliable Size: 1980/2000/ ...