BLe Creuset Stoneware Napkin Ring, Flame ReviewbP PP Le Creuset Stoneware Napkin Ring, Flame PHigh-quality exterior enamel to protect against metal marks and other damagePUnmatched thermal resistance from -65�f to 500�f - safe for the freezer, microwave, oven, broiler and dishwasherPLess than 1 porosity, blocking moisture absorption which can lead to cracking, crazing and rippling along the interiorPA virtually nonstick glazed interior that easily releases foods for quick cleanupPA perfectly color-matched palette of bold, consistent tones for easy mixing and matching with other le creuset productsP