... boards (2). Surface coated with real wood veneers (3). infilling: fir &MDF skeleton, solid wood 4)Finishing: with varnish lacquer or ... without lacquer Door frame: Solid wood in frame. (1). both sides: MDF boards (2). Surface ... , hinges, screws, rubber seal, installation bolt. 3. Color White, maple, Rose wood, Teak, Oak, Walnut, Sapeli, Cherry etc. 4. Function Sound ...