[. . . ] The Northern birch, Betula borealis, is not only extremely rare but also subject to very strict regulation. [. . . ] Trees whose growth is suitable for making veneer are few and far between, and the Northern birch is therefore used for surface finishing only on very rare occasions. A pigmentation-based method is used to fix the white colour permanently and to prevent it from yellowing under the influence of UV radiation. As a final touch, the surface is sealed with 15 coats of high-gloss lacquer and polished by hand to a mirror finish. Instructions on caring for wood Do not use any aggressive cleaning agents or hard cleaning items. [. . . ] Any variations and deviations in colour are a sign of this product's genuinely natural quality. [. . . ]