... are covered with plywood and then PVC/steel tap for strength.1.Raw door skin : without any processing ,easily to painted ... laminated with wood venner , melamine paper for differet purpose .2.White primer door skin : ready for further painting with different color .3.Veneer ... ,Beech ,Cherry , Okoume , Sapeli ,Walnut etc. It looks natural wood door ,ready for further processing by UV paint etc.4.Melamine ...