The Celtic knot symbolizes the ancient knot magic used by medieval witches for protection. For instance, protective witch knots were often carved above doorways to ward off negative energy. Crafted from 925 sterling silver, this Celtic knot necklace is hypoallergenic and free from lead, nickel, and cadmium. The chain measures 18 inches, making it an elegant and timeless piece. This exquisite Celtic knot jewelry makes a perfect gift for women on birthdays, anniversaries, Mother's Day, Valentine's Day, or Christmas. Its versatile design suits both special occasions and everyday wear.