Add charm to your little one's look with these Gold Plated Surgical Steel Butterfly Flat Back Earrings! Designed with kids in mind, these flat bacs feature a sweet butterfly shape and are crafted from hypoallergenic and waterproof surgical steel. Material: Gold Plated, Surgical Steel Colour: Gold Gauge: 18g / 1mm PVD Plated: This piece features PVD Plating. PVD Plating provides a durable, waterproof coating that enhances the shine and lifespan of our waterproof pieces! Dimensions: Total Length: 10 mm Post Length: 8 mm