Keizan Kiln, Set of 5 Ochoko (Sake Cups) - Arita Ware, Sake Vessels, with Original Box A set of 5 ochoko (sake cups) made by Keizan Kiln, Arita ware. Diameter: Approximately 5cm, Height: Approximately 5cm Please check the details in the images. For those who understand that this item has been stored at home for a long time, thank you for your consideration. Please feel free to comment if you have any questions.