The Nifty 3-tier Oven Rack helps you use your oven space more efficiently. It permits you to cook as many as three levels of large casseroles together with a sizable roaster. The 3-tier Oven Rack is uniquely designed to fold flat for simple and compact storage and it is also dishwasher safe. Dimensions: 11" wide x 14.75" deep x 10.5" high.