Tumbler - Black & Goldporcelain tumbler. glazed clear with gold, and black abstract marks. each tumbler has it's own unique markings, and shapes and size vary slightly. approx 2. 5" x 3. 5". partially unglazed exterior. food dishwasher safe. do not microwave. all items in this store are made in the wabi sabi tradition. crazing, crackling, and other irregular textures and surfaces are part of the handmade nature, and should be embraced.