These beads are glass. 6 types (12 pieces) Perfect for materials for earrings, ear cuffs, charms, etc. Connect them to your existing parts to enjoy original accessories. Resale is OK, but please refrain from false product descriptions. (e.g., glass → natural stone, etc.) Thank you stickers and gold jump rings are available as options. ★ Thank you stickers (approx. 25mm) ☆ 100 sheets +100 yen ★ Jump rings 0.7 x 4mm ☆ 3 grams (approx. 70 pieces) +20 yen ☆ 5 grams (approx. 130 pieces) +30 yen Please note that the number of pieces may vary slightly as they are counted by weight. ★ Lobster clasps +100 yen Lobster clasps will be attached to all charms and connectors in this set. If you would like any of these options, please let me know in the comments.