This storage shelf is an excellent choice for both residential and commercial storage, providing plenty of space to keep all items neatly organized. Sturdy material: The storage rack consists of a steel frame 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, this rack has a supreme load capacity.Flexible storage: This shelf can be divided into two separate small racks. Also, the layers are height adjustable. Thus, the shelf provides ample storage space for all items you want to store and always keeps 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: SilverMaterial: Galvanized steel, engineered wood, plasticDimensions: 31.5" x 15.7" x 63" (L x W x H)Engineered wood board thickness: 0.1"Steel thickness: 0.02"Total capacity: 705.5 lb (176.4 lb per shelf)Anti-rust galvanized steelPlastic foot caps for floor protection from scratches4 height-adjustable shelvesCan be assembled without any screws/boltsCan be dismantled into two separate small shelf racks