These butterfly birthstone threader earrings for women are crafted from 925 sterling silver and sapphire blue zircon. The durable sterling silver threader earrings are lead-free, nickel-free, and hypoallergenic, making them ideal for daily wear, even for those with sensitive skin. The butterfly design symbolizes eternity, while the sapphire blue zircon represents September's birthstone, embodying loyalty, constancy, and honesty. Measuring 5cm (2 inches) in length, these threaded earrings are lightweight and comfortable for all-day wear. Presented in a gift-ready package, they make a perfect gift for mothers, grandmothers, lovers, sisters, or yourself on occasions like Mother's Day, anniversaries, Valentine's Day, birthdays, or Christmas. We offer a money-back guarantee and excellent after-sales service. If you have any questions, feel free to reach out for assistance.