This ventilated storage rack from EMSCO Group is perfect for both domestic and commercial usage. Use it to store supplies in your garage, shed, office, dorm, and more! The shelf is manufactured from durable polyethylene plastic resin which makes it lightweight and durable. No tools are required for assembly as all pieces simply friction fit together. These shelves are great for storing everyday items, tools, equipment or even as displays for tradeshows or stores. When not in use, they collapse and store easily. Each shelf provides about 15″ of clearance.