Make your little one shine with these Kids Surgical Steel Cubic Zirconia Flat Back Earrings! Hypoallergenic, waterproof, and perfect for sensitive ears. They feature cubic zirconia crystals for some added sparkle. Material: Crystal, Cubic Zirconia, Surgical Steel Colour: Silver, Clear Gauge: 20g / 0.8mm 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: 6 mm