Constructed of heavy-duty cold-rolled steel and 8mm thick Density Board, MOPHOTO 5-Tier Steel Storage Shelf holds an average of 220 lbs. per tier and an overall maximum of 1100 lbs. The storage racks are sealed with a black veneer that won't rust, even in wet garages, making them ideal for garages, warehouses, kitchens, pantries, cellars and closets. Easy to assemble, the metal shelf unit's removable design construction allows it to be divided into multiple individual shelves, also perfect for u