Hello! Thank you for visiting my shop from among many others. Yonaguni Blue ☆ 10mm Luminous type that glows in the dark Sun Charm ☆ The sea of Yonaguni Island, Okinawa. Hotaru glass that imagines the clear cobalt blue sea with high transparency It's Yonaguni Blue. Each one is carefully made, but because it is handmade, there may be some distortions. We ask for your purchase if you understand. Hooks and other parts are Less likely to cause allergies Surgical stainless steel is used. It will stay in a beautiful condition without turning black ☆ Earrings can be changed for an additional 100 yen. Surgical stainless steel ☆