Japanese Tea Set Gold Clematis Kutani Yaki(ware) Tea Set: 5Japanese Tea Cups, 1Tea Pot Tea Cup size:(H) 2.9inches x (D) 3.2inches Made in Japan, in Ishikawa. Famous Japanese traditional Pottery KUTANI since 1655 Special technique "Ao-Tsubu". Ao-Tsubu means Blue grain. Use Gold. Don't use microwave oven.