Use this multi-purpose storage organizer in your home, garage, basement or utility area to keep your space neat and manageable. The Hyper Tough 4-tier Utility 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 75 lbs, for a total storage volume of up to 300 lbs of evenly distributed items. Once assembled, this 4-tier shelf can be used to help organize and declutter your basement, attic, closet, garage or shop.