From Noble Excellence, this bowl set features: set of 2 bowls high-fire stoneware glaze finish dishwasher and microwave safe approx. 5.5" each set sold separately Imported. Portuguese Ceramics Made by Factory GRESTEL: Design, Innovation and Quality Assurance three primal attributes that are the base line of the international success of Portuguese ceramics. It is from symbiosis between the art, the know-how and innovation, that we can write the history of the Portuguese Ceramic Industry. Stoneware: Its made from a clay that is high fired in temperature (1180C/2160F), which creates a vitrified glazed surface with very low porosity (less than 0.5%) revealing the consistency and durability. Centuries of Portuguese ceramic tradition serve as an inspiration, while blending the finest mineral resources in Portugal to manufacturer with exceptional design, resistance and quality. Astoria: Rich colored dinnerware brings ambiance to every meal. With a hand applied patina rim providing a complete range of tabletop items ideal for daily use and perfect for entertaining guests at your place.