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): 40.2 inch_102cm 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. Bed Artisan Solid Black Walnut Modern Transitional Bed Introducing the Bed Artisan Solid Black Walnut Modern Transitional Bed, a sophisticated furniture piece that blends modern simplicity with timeless transitional design. Expertly crafted from premium solid black walnut wood, this bed frame showcases rich natural grain patterns, deep warm tones, and refined craftsmanship that elevate any bedroom interior. Designed to bridge contemporary and classic aesthetics, the clean lines and balanced proportions create a versatile look suitable for modern, transitional, minimalist, and luxury-inspired spaces. The elegant silhouette allows the natural beauty of black walnut wood to become the centerpiece of the room while maintaining a calm and welcoming atmosphere. Key Features: Premium Solid Black Walnut Wood Construction Crafted from high-quality solid black walnut wood, this bed frame highlights the distinctive grain textures and rich dark tones that make walnut one of the most sought-after hardwoods for luxury furniture. Modern Transitional Design Combining contemporary minimalism with classic elegance, the transitional design creates a timeless appearance that complements a wide range of interior styles. Durable and Stable Structure Built with a strong solid wood frame, this bed provides reliable mattress support and exceptional stability for long-lasting comfort and everyday use. Refined Handcrafted Finish Carefully sanded and polished to enhance the authentic character of natural walnut wood while delivering a smooth and sophisticated finish. Elegant Bedroom Centerpiece The clean architectural lines and warm walnut tones create a luxurious focal point, bringing depth, warmth, and elegance into your bedroom environment. Sustainably Crafted Materials Made from responsibly sourced black walnut wood, this bed reflects quality craftsmanship and environmentally conscious material selection. Transform your bedroom into a refined modern retreat with the Bed Artisan Solid Black Walnut Modern Transitional Bed. Combining premium materials, timeless design, and expert craftsmanship, this bed frame delivers the perfect balance of luxury, comfort, and functionality.