Evo stainless steel covers offer enhanced cooking on the Evo cook surface thru additional techniques and compartmentalized cooking. Use to steam, roast, bake, and smoke foods on a portion of the cook surface while preparing other foods around it. Comes in set of 3 sizes: 3 quart (9 inch), 5 quart (10.5 inch) and 8 quart (12 inch). Lids have heat resistant knob. Dishwasher safe.