This Dunnage Rack has a slotted top that optimizes air circulation. This product is made from heavy duty polymers and will not corrode or rust, and comes with a two year guarantee. This Dunnage Rack has four legs that each assure a stable, and durable product. This item has a speckled grey color that gives your commercial kitchen a sleek look. This Dunnage Rack is the perfect addition to any commercial kitchen.