Fabric Double Diamond Earrings 2mm Surgical grade stainless steel 18k gold plated Does not contain lead or nickel, perfect for sensitive skin Additional information Flat screw-back Ultra-thin post measuring .8mm (20 gauge) Waterproof - perfect for pool and bath Exclusive Pierced Co Extras 100% guaranteed to not cause sensitivities, otherwise your order is free Each order comes with an extra pair of earring backs