... :solid firskeleton inside, steel outside , veneered with Paint.3.Thickness of door leaf:4cm4.Opening direction: Inward/Outward5.Opening ... handle position :on left/on right7.Integrates the door frame with the door leaf perfectly,convenient to install8.Moth proofing, ... solid deformation, sound insulation effect is good, durable products;6.Non-toxic, tasteless, does not contain formaldehyde, toluene, ...