fir wood,MDF,PVC films Good quality with lower price customized in design Proof water, sound and crack any frame INTERIOR WOODEN DOOR 1. This wooden door is made of fir wood stile and MDF keel inside,the core is hollow,MDF coating different kind of PVC films outside 2.Fine workmanship and Various styles available,economy and beautiful 3.Elegant taste and unique manner and Good effect on sound ...