Use this multi-purpose storage organizer in your home, garage, basement or utility area to keep your space neat and manageable. The Hyper Tough Heavy Duty 5-tier Interlocking Shelf system features a simple snap fit assembly, which does not require any tools. This shelving unit is made from durable and rust-resistant plastic. Each ventilated shelf can hold up to 150 lb for a total storage volume of up to 750 lbs (evenly distributed weight). Once assembled, this 5-tier shelf can be used to help organize and declutter your basement, attic, closet, garage or shop.