These earrings feature 8mm black glass beads with blue and deep purple foil, and a 12mm heart-shaped black onyx gemstone with cut facets. The beautiful firefly glass beads are handmade by a glass artisan on Mercari. The heart-shaped, cut black onyx is from Parts Club. How about these elegant, adult-style heart earrings? The earrings have silicone rubber attachments. Please purchase if you understand that these are handmade items. They will be delivered via Yu-Yu Mercari delivery service. No price reductions are possible.