The hardwood layer: 3,5 mm thick (tolerance: +/-0,2mm, is coated with special wood filler and six layers of UV-cured high quality Bona varnish. Other available options of finishes oil (transparent, white, dark), stain. The middle layer of spruce wood 8,9 mm thick (tolerance: +/-0,15mm) The bottom layer of spruce veneer 1,8 mm thick (tolerance: +/-0,2mm) Vendor: