Instant purchase ◎ Quantity: 20 pieces All parts used are imported. There may be adhesive residue on the transparent seal. Although they are titanium, allergic reactions vary from person to person, so discontinue use immediately if any problems occur. We are not responsible for any skin problems, so please use at your own discretion. Please refrain from use by small children. No claims or returns accepted. They are glued, but if they come off, please re-glue them. Handle large parts with extra care. Please purchase only after understanding everything above.