Hello! Thank you for visiting my shop from among many others. Firefly Glass ☆ Purple 12mm Luminous type that glows in the dark Czech bead drop When you shine the firefly glass in the sunlight, it sparkles and shines very beautifully ☆ Each piece is carefully made, but as it is handmade, there may be some slight imperfections. We ask for your understanding before purchasing. Hooks and other parts use 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.