Stoneware: Colorful glaze is nonporous, non-reactive and resistant to chips, scratches and stains Stoneware: Virtually nonstick glazed surface is ideal for quick clean-up, and resists cracking and crazing Stoneware: Safe for dishwasher and metal utensils Silicone Tools: Premium-quality silicone is BPA-free, flexible, and resistant to stains, odors and flavor absorption Silicone Tools: Non-abrasive silicone utensils are safe for all cookware surfaces, including nonstick