Oyama 7-cup White and Stainless Steel body with Stainless Steel Cooking bowl and Stainless Steel Steamer Tray. No non-stick coatings are used. The stainless steel cooking bowl has a Triple-layered bottom for uniform heating without burning of the rice. This cooker is tailored for people looking to cook meals without chemicals from non-stick material possibly leaching into their foods. This cooker also uses 3-dimensional heating (base, side and lid) for keeping rice warm for extended periods after cooking. This enables this rice cooker to keep warming past the normal 12 hour limit up to 24 hours. The stainless steel steamer tray can be used steam vegetables, meats and poultry or any other foods that can be steamed cooked.