Stainless steel August (Peridot) Birthstone earrings for girls that are sensitive free & hypoallergenic. Our flatback, screw back stud earrings are all hypoallergenic, perfect for sensitive ears. They are the most comfortable earrings ever! The flat back design ensures they will be comfortable and safe, while its waterproof and tarnish-resistant metals promise enduring quality.,Stainless steel August (Peridot) Birthstone earrings for girls that are sensitive free &