Hypoallergenic: surgical titanium posts Size: 4 mm Gift-ready packaging These screwback stud earrings are designed with kids in mind. Featuring surgical titanium posts and hypoallergenic materials, they're gentle on sensitive ears. The secure screw-back design keeps them safely in place during play and everyday wear. Safe, durable, and beautifully crafted for your child. 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 for all orders Satisfaction Guarantee or money back - you will love these cute earrings for kids!