Made of 925 sterling silver, ensuring high quality and durability Adjustable size, suitable for both women and girls Black tourmaline known as a protective stone, providing positive energy and protection Ideal for everyday wear or special occasions Delicate red thread adds subtlety and character. Silver elements add elegance and refinement. Red Rope Bracelet Good Luck String Protection Bracelet Link Adjustable for Women Girls Handmade Braided. Black tourmaline 925 Sterling Silver