Raku Topaz Blue Chefs' Oblong Plate No. 2: Inspired by the traditional glazing process known as Raku firing which creates expressive and exciting results.: Raku By Churchill: : Blue - Vitrified - 12.7:cm - 5:in - 26.9:cm - 10.25:in - Rectangle - Dishwasher safe - Microwave safe - Superior glaze finish - Textured finish for a stunning presentation - Underglaze decoration means the pattern will never fade