Housewares International Reactive Glaze Stoneware 5 3/4-Inch Dinner Bowl with Metallic Rim, Brick Red One (1) 5.75" reactive glaze stoneware dinner bowl with metallic rim, brick red Stoneware with reactive glaze finish Stoneware with reactive glaze finish. metallic rim. Dishwasher safe and microwave safe Highest quality materials brought to you by housewares international inc.