It is the work of Yoshihiro Yasumoto. A lot of fine air bubbles are confined in the glass. The bubbles glow when exposed to sunlight. It is emerald colored. size (approximate) Height: 78-80mm Body bulge: 78-80mm Caliber: 20mm I would like you to enjoy decorating with seasonal flowers. How about a birthday or Mother's Day gift? Even if we don't have it in stock, we will produce it immediately. It can be produced in about 10 days. There are some differences in size and form because each piece is handmade. Colors may appear different on screen than in real life. Please be aware of this before purchasing. Since it is also sold in the workshop, it may be sold out with a time lag. In that case, we will make a new one, so it will take some time. Thank you for your understanding.