High-quality earrings made for girls with sensitive ears that they can wear 24/7. Materials Surgical grade stainless steel 18K gold plated Lead & nickel free Enamel Always hypoallergenic Details Flat screw-back Ultra-thin post measuring .8mm (20 gauge) Shortened post for a better fit Waterproof - can be worn in the pool and bath Exclusive Pierced Co Extras Each order comes with an extra pair of backs Safety: Jewelry components are tested for child product safety. Components are free of BPA, phthalates and lead. Jewelry of this size is a choking hazard, please monitor child closely while wearing. Care Guide: Your favorite gentle cleanser and water will do the trick. Using a bowl (away from the sink to avoid earrings and/or backs going down the drain) fill with warm water, add your cleanser and lightly use a soft toothbrush.