These super cute earrings are made with pure medical titanium posts for sensitive ears. Soft plastic backs are included for a snug, comfortable fit. The design will never fade & earrings are 100% waterproof!? Titanium Post - Pure Medical Grade ? Hypoallergenic for sensitive ears. ? 100% Nickel-free. ? Vibrant UV ink on clear acrylic. ? Fade and waterproof. ? High-gloss protective finish. ? Soft plastic backs included. ? Handmade with love in New Orleans, LA