Our dainty, rainbow CZ studs are for the girls that like a little sparkle! Designed with active girls in mind. Our earrings feature a comfortable, screw on back and are gentle on even the most sensitive ears. Play, swim & sleep in comfort. Materials Hypoallergenic Surgical grade stainless steel posts Lead, Nickel, Cadmium & Copper Free 7mm enamel details Details Flat, screw-on back for ultimate comfort Waterproof materials will not tarnish or turn skin green ✨ BONUS ✨ Every pair comes with an extra pair of backs!