Raku Topaz Blue Round Trace Bowl: Reviving historic glazing techniques through innovative print technology. As the revival of studio pottery continues, Raku celebrates the heritage of traditional glazing techniques.: Raku By Churchill: : Blue - Churchill Super Vitrified - 25.3:cm - 7.9:in - 110:cl - 38:oz - Organic - Ideal for individual statement pieces. - Raku celebrates the heritage of traditional glazing techniques. - Microwave safe - Dishwasher safe