The Kamado Joe Stainless Steel Grill Expander for Classic Joe or Large Big Green Egg doubles the grilling space in your Kamado Joe or Large Big Green Egg. This grate is manufactured from 304 stainless steel making it rust and corrosion resistant while giving you a superior surface to cook on. Dishwasher safe. Best used with the Kamado Joe Classic Divide and Conquer Flexible Cooking Rack for 18" grills and half moon grill grates.