The Bun warmer (5KTBW22) quickly heats up your bread buns and rolls on top of your toaster. It keeps them warm with the gentle heat from your toaster. An insulated handle makes the bun warmer comfortable to use. It’s compatible with all KitchenAid toasters except the Toaster long slot 2 slice – Design (5KMT3115) and safe to put in the dishwasher.