I used only 50 of the items (26 black, 24 red) from MUJI for the kagami-biraki ceremony at my wedding. Set Contents: Unused: 30 red cups with the character "祝 (celebration)" 30 black cups with the character "寿 (longevity)" This is a set of 110 cups in total. Product Size: Width 7.5cm x Length 7.5cm x Height 4.7cm Capacity: 200ml when full Heat Resistance: 80 degrees Celsius / Cold Resistance: -20 degrees Celsius Material: ABS resin (urethane coating) Uses: Masu (square wooden cup), sake cup, celebration, Japanese sake, New Year's, celebratory toast