These unique synthetic opal earrings shift colors with light and angle, showcasing white, turquoise, and a hint of pink. Each earring is one-of-a-kind, ensuring no two are alike. The butterfly backs feature a special cut for enhanced friction, providing a secure fit so you never lose them. Crafted from hypoallergenic S925 sterling silver, these penguin studs are safe for sensitive ears. They resist tarnishing and discoloration, and are free from nickel, lead, and cadmium. Perfect as a gift for anyone with pierced ears, whether it's your niece, granddaughter, or best friend. Ideal for Christmas, birthdays, or any special occasion. What you receive is a pair of adorable silver penguin earrings, beautifully packaged and ready to delight.