Le Creuset French Onion Soup Bowl Black Onyx Enameled surface is non-porous and resists chips, cracks and scratches Easy-clean porcelain enamel surface is impermeable to odors and stains Dish beautifully cooks and serves food, then goes back to freezer or fridge for storage of leftovers Colors match the rest of your Le Creuset cookware collection Stoneware is fired at 2156 F giving it unmatched strength and durability