ltem description from the seller
The storage shelves are excellent choices for both residential and commercial storage; providing plenty of space to keep all items neatly organized. Sturdy material: The storage racks consist of steel frames and engineered wood boards. The steel frames guarantee sturdiness and stability; while the engineered wood offers strength; stability; and resistance to moisture. Strong load capacity: Thanks to the thick material and boltless shelving design; the racks have a supreme load capacity. Flexible storage: The rectangular shelf can be divided into two separate small racks. Also; the layers are height adjustable. Thus; the shelves provide ample storage space for all items you want to store and always keep your space neat and well-organized. Note: Each product comes with an assembly manual in the box for easy assembly. Warning: In order to prevent overturning; this product must be used with the wall attachment device (delivery does not contain the wall attachment device). Color: Anthracite Material: Galvanized steel; engineered wood; plastic Engineered wood board thickness: 0.1" Steel thickness: 0.02 " Each rack's total weight capacity: 705.5 lb (176.4 lb per shelf) Anti-rust galvanized steel Plastic foot caps for floor protection from scratches 4 height-adjustable shelves Can be assembled without any screws/bolts Rectangular shelf: Dimensions: 31.5" x 15.7" x 63" (L x W x H) Can be dismantled into two separate small shelf racks Corner shelf: Dimensions: 29.5" x 29.5" x 63" (L x W x H) With a reinforcement bar below each shelf Delivery contains: 1 x Rectangular shelf 1 x Corner shelf Legal Documents: More details about preventing your furniture from tipping over can be found here