1. 100% pure solid wood, no artificial boards, finger-jointed boards, or veneers
2. Black walnut model: The main material is North American FAS grade black walnut.
Auxiliary materials: beech is used for (center rails, middle legs, bed support bars, and lower bedside rails)
3. Manchurian ash model: the main material is imported manchurian ash, no auxiliary materials
4. The standard decking is New Zealand pine.
