Raku Topaz Blue Chefs' Oblong Plate No. 6: Inspired by the traditional glazing process known as Raku firing which creates expressive and exciting results.: Raku By Churchill: : Blue - Vitrified - 15.7:cm - 6.1:in - 23.7:cm - 9.3:in - Rectangle - Dishwasher safe - Microwave safe - Superior glaze finish - Ideal for small plates and sharing dishes - Underglaze decoration means the pattern will never fade