Size of beads: Grain diameter 15 x 8mm. size including hook: approx. 30mm high.
Remarks: For both ears. The hooks are made of titanium. It is not a luminous type.
Each bead may differ in size and shape due to the perforated glass beads made by a molding technique called "burner work".
They are not light-storing or luminescent type.
Firefly glass is a popular and famous souvenir from Okinawa.
What is firefly glass?
Firefly glass is a popular souvenir item in Okinawa. Its deep blue color reminds us of the Okinawan sea, and it is a glass ball with holes made by a molding technique called burner work, similar to tonbo dama.
Craftsmen melt colored glass one by one and roll it into an iron core. The glass is then melted like syrup and covered with a layer of silver foil to express the beautiful colors using a special technique.