2PCS 5-Tier Metal Storage Shelving Adjustable Display Rack Garage Shelving Units Overhead Storage Shelves for Garage/Warehouse/Tool House/Living Room/Kitchen 90×30×180cm Quick overview: Looking for something to make your places neat and organized? This multiple tiers storage shelf is the best choice! The multiple tiers shelves are made of selected materials, sturdy steel, and durable MDF boards. The storage shelf features an adjustable height and dividable structure. You can change the structure according to your various needs. In addition, the surface of the racks is covered by powder coating with the smooth edge, which makes the racks rustproof and smooth enough to prevent scratches. Provide a long-term service life for you! About the installation, it is hassle-free to install the storage shelves at all. You just need to connect the beams using the included steel connection pieces without bolts, and then put the MDF boards on. You can use these storage shelves for storing books,