This product is made in Shigaraki, Shiga Prefecture. Shigaraki is one of the Six Ancient Kilns in Japan, and Shigaraki Ware was designated as a Traditional Crafts of Japan in 1976. High quality clay from Shigaraki creates the simple, warm and rustic texture which is the characteristic of Shigaraki Ware. The remarkable feature of this mug is the deep blue color of the glaze which expresses the blue sky. It is perfect for those who love simple design but something that adds a slight accent to your tea time. *Size and color may slightly differ from the image due to the handmade nature of each item. For long term use, please keep the following instructions. *Dishwasher-safe, but please be careful of the strong water pressure when washing with other dishes. *Microwave is also usable but please do not overheat. *Please use diluted bleach when bleaching. 【Specification】 ・Material/ Ceramics ・Size/ Φ8.8×H9.3cm ・Weight/ 360 g ・Made in Japan Product Type: KITCHEN AND DINING Collection: TABLE WARE > CUP Collection: POTTERY Collection: SHIGARAKI WARE