It counted on mattress size,not full assembly in bed size. Length,Width in mattress (inch_cm) Twin:38" X 75"_96.5 X 188.0cm Full:54" X 75"_134.5 X 190.5cm Queen:60" X 80"_152 X 203.5cm California King:72" X 84"_183 X 213.5cm King:76" X 80"_193 X 203.5cm The height of headboard(inch_cm): 43.31 inch_110cm Depth of mattress contained inside the rails: 1.57inch/4 cm The bed included slats,center support slat and center support leg. 6 type wood for selecting 1. Solid wood name: South American walnut /Monkey Pod wood Origin of solid wood: Ecuador, South America 2. Solid wood name: Solid American Black walnut wood Origin of solid wood: North America 3. Solid wood name: ash wood wood(can stain into other color) Origin of solid wood: North America, 4. Solid wood name:White oak wood Origin of solid wood: North America 5. Solid wood name:red oak wood Origin of solid wood: Northeast America 6. Solid wood name:cherry wood wood (This darkening or “ripening” process is most apparent within the first six months of light exposure and it may continue for several years before reaching that beautiful, reddish brown hue that cherry wood is known for. You can accelerate the aging process by exposing the wood to as much natural light as possible.) Origin of solid wood: America This item is made to order and FAS level of wood. A production process is about 3-4 week. Product moisture content: 6-10%. Production: Kiln dried, Handmade, Mortise-Tenon Structure or Dovetail joints ,and three-in-one connector. We do not use wood veneers. Nature solid wood made. Only drawer sides/backs/bottoms/slats: paulownia wood This furniture is not full assembled. Need to assembly. The headboard is Mortise-Tenon Structure or Dovetail joints and full assembly. This body of furniture is not assembled. It will be divided in different part in board piece. In three-in-one connector ,it is easy to assemble.not too much experience customer can do it yourself. The process:headboard>side rail>footboard>middle wood slats and middle legs The point:only need cross screwdriver,flat blade screwdriver, and some books.some books to hold the side rail up while the connectors are screwed in.Don't screw the connectors very closely when whole frame is not finished(except slats and middle legs).After the whole frame is finished. you can screw the connectors closely.Then,put middle legs and slats.It is not hard process. There are no instruction paper for you. Because it is custom made and handmade items. we will include three-in-one connector tools, glue and other materials, not include an installation tools. Introducing the Celestial Solid Black Walnut Wood Bed with Grid Headboard, a beautifully crafted piece that combines modern design with classic elegance. Made from high-quality solid black walnut, this bed is a stunning centerpiece for any bedroom. Key Features: Premium Solid Black Walnut ConstructionCrafted from durable solid black walnut, known for its rich color and unique grain, ensuring a long-lasting and stylish addition to your home. Eye-Catching Grid HeadboardThe distinctive grid design of the headboard adds a contemporary touch, enhancing the overall aesthetic of your bedroom. Sturdy and ReliableBuilt to provide excellent support, this bed frame combines beauty with robust construction, ensuring stability for a restful night's sleep. Timeless StyleThe combination of modern design and natural materials creates a warm and inviting atmosphere, making it a perfect fit for various decor styles. Conclusion Elevate your bedroom with the Celestial Solid Black Walnut Wood Bed with Grid Headboard. This exceptional piece merges style, functionality, and quality, making it a perfect addition to your home.