The environmental protection solid wood is free of formaldehyde, non-toxic, waterproof, corrosion, and skid-resistant. Key Features Environmental Friendly: Solid wood without paint, glue, formaldehyde, toluene, and other harmful substances makes this product environmentally friendly, safe, sturdy, and durable, ensuring a long service life, and providing a safe and healthy reading environment for you and your family. Excellent Load-bearing: The 0.47in thickened pine provides 55 lbs load-bearing capacity for each tier, ensuring great stability without tilting or swinging, making it more reliable to use.  Large Capacity: The four tiers, 16 compartments, 12.2inch tier spacing, and a wide top platform(17.7 inches) provide enough space for you to store multiple items. 360° Rotation: Stainless steel rotating chassis and steel ball bearing structure ensure smooth 360 rotation with less noise, allowing you effortlessly reach for books or items. Simple and Convenient: The simple structure, pre-punched binding holes, packed tools, and English manual allow you easily and quickly assemble this shelf. You can assemble it into one, two, three, or four-tier bookshelf according to your own needs. Details Side Baffles: The side baffles of each tier can effectively prevent items from falling, allowing you to place books or fragile items with peace of mind.  Sturdy Base: The circular base with anti-slip pads increases the stress area and can better maintain the stability of the product and protect your floor. The floor design makes the product less prone to tipping. Rounded Corners: Round edges and corners provide a comfortable touch to avoid sharp corners bump injury.  Application This shelf is suitable for bedrooms, dining rooms, living rooms, study rooms, kid's rooms, playing rooms, bars, hotels, offices, apartments, university dormitories, etc., for storing books,stationery, photos, ornaments, small potted plants, and other items. It can also be used as a display stand or ornament. Specification Material: Solid Wood(Pine), Stainless Steel Style: Modern Shape: Cylinder Color: Wood Special Features: 360-Rotation Number of Items: 1 Number of Tiers: 4 Number of Compartments: 16 Rotation: 360° Assembly Required: Yes Mount Type: Floor Standing Thickness: 12mm/0.47in Net Weight: 13.5kg/29.8 lb Gross Weight: 14kg/30.8 lb Load-bearing Capacity (Each Tier): 25kg/55 lb Each Tier Height: 31cm/12.2in Product Size(D*H): 45*128cm/17.7*50.4in Package Size: 52*50*21cm/20.5*19.7*8.3in Package Included 1 x Rotating Bookshelf 1* English Installation Diagram 1* Schematic Diagram of Sandpaper Grinding All Accessories for Assembly Notes 1.Please do not expose the product to the sun or soak it in water for a long time, and avoid placing heavy objects on the table that exceed its weight-bearing capacity. Children are forbidden to play and climb. 2.If you want to color the product, please complete the installation first to avoid changing the installation aperture caused by the color. 3.For better results, we suggest that you start installing from the bottom. Put the screws in loosely until all pieces are together and then tighten them all. It will save you time if you make a mistake when installing. 4.The wood is protected by natural wood wax oil, so there will be oil on the surface, you can wipe it with a dry cloth and leave it for a few days before use. Pure solid wood furniture has varied textures and different shapes, so there are many natural imprints on it, which do not affect firmness and use. 5.It is important to clean the shelf regularly with a soft cloth and avoid using abrasive cleaning agents that can scratch or damage the surface. 6.Please strictly follow the installation diagram and pay attention to the safety precautions inside. Please note that the package only includes one bookshelf, not any additional items.