Okinawa Ryukyu Glass This is a glass set ♫ A set of green and blue. Size is about 8.5 x 8.5 x 9 cm. Ryukyu glass is known for its bubbles. These are beautiful glasses with many delicate bubbles. I hope the photos turned out well. I apologize, I've forgotten the name of the glass workshop. I purchased these at a workshop in Okinawa. I have carefully collected these. The easy-to-use size and the comfortable shape that fits in your hand make tea or alcohol taste even better, I think. For those who love them...♡