Designed for young ears, these December crystal studs feature secure screwback closures and hypoallergenic construction. With surgical titanium posts and palladium plating, they're the safe, elegant choice for your child's jewelry collection. Features Type : Screwback Stud Earrings that are secure Material : The post that goes into the ear is Surgical Titanium, Rest of the material is brass with a yellow gold plating or Palladium plating (similar to white gold just more hypoallergenic) Stone : Crystal Size : 4 MM Age : Young Child-Tween Hypoallergenic kids earrings - no more sensitive ears! FREE SHIPPING! Satisfaction Guarantee or money back - you will love these cute earrings for kids!