1. The whole product is 100% pure solid wood, without any artificial plate.
2. The main material of North America imported black walnut, rich and changeable pattern, less scarring, no mildew, belongs to the wood luxury.
3. The auxiliary material is Oguman, which is used for back plate frame, partition plate, bottom plate side transverse/rear transverse/middle transverse, top plate middle horizontal, middle vertical plate frame, top and bottom plate core plate, middle vertical plate core plate, back plate core board, wood grain is natural straight grain, flawless, no knot, no scar, feels delicate and smooth with texture, close to North American black walnut, so it is often replaced.