This is Ryukyu glass craftwork. It is a one-of-a-kind piece of bubble glass by Moriyoshi Inamine. It was purchased from Mr. Inamine's workshop. Mr. Inamine's works are characterized by bubble glass, and the colors of the glass are unique, using a technique that evokes the universe. You may discover unexpected colors when you hold it up to the light. Please take a look at the works of Mr. Inamine, who represents Okinawa in glass crafts. This is a glass for drinking whiskey with someone special. How about it as a gift?