Hypoallergenic Earring With Comfort Back Closure System. The Throat Is Made Of High Quality Stainless Steel That Does Not Rust. Nickel Free Earrings. Ideal For Sensitive Skin. Hypoallergenic Earrings. Each Pair Of Earring Is Sterilized And Packed In A Separate Package. Suitable For All Ages Of Girls And Ladies. Suitable And Comfortable For All Skin Types.