These super-cute earrings are made with medical-quality 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 - Medical Grade 1 Hypoallergenic for sensitive ears. 100% Nickel-free. Vibrant UV ink on clear acrylic. Fade and waterproof. High-gloss protective finish. Rubber backs included. Handmade with love in New Orleans, LA.