Thank you for viewing! (^-^) These are Ryukyu hotaru glass earrings, carefully crafted by artisans with silver foil inlaid. They are glow-in-the-dark, absorbing sunlight during the day and glowing in the dark☆ Bead size: Approximately 6mm Posts: Earring backs: Surgical stainless steel ~Hardware changes accepted~ Hooks → Studs Studs → Hooks, etc. Free☆ SWAROVSKI studs +100 yen Discounts available for multiple purchases☆ These are handmade. I make them carefully, but they are not comparable to mass-produced items. I hope you will handle them gently. As they are natural stones, they may have cracks or inclusions. I have several cats. Please refrain from purchasing if you are concerned. ・I am studying to polish natural minerals such as Larimar. My polishing skills are still developing, but thank you for your support(*´ー｀*) Please read my profile☆彡