The exclusive cup are hand thrown in Barbara Sebastian's Marin County studio. She hand engraves each cup with an OMCA chop. Approx 4" tall, they are good for tea, sake or wine. Please note: as they are hand made in batches - size, color, glaze, clay and decoration will vary. In notes at check request dark or light; cool, warm, neutral tones; porcelain or red clay. Call the OMCA Store for information on current stock available. Shown here is light, neutral, porcelain.