Hello! Thank you for visiting my shop from among many others. Kouri Blue ☆ 10mm Luminous type that glows in the dark Czech bead drop ☆ Hawaiian charm ☆ A small island surrounded by the emerald green sea located in the northern part of Okinawa Island, Kouri Island. It's Kouri Blue ☆ When you shine the firefly glass in the sunlight, it sparkles very beautifully. Hooks and other parts are made of surgical stainless steel, which is less likely to cause allergies. It will stay in beautiful condition without turning black ☆ Earrings can be changed for an additional 100 yen. Surgical stainless steel ☆ Thank you for viewing.