Hypoallergenic: surgical titanium posts Size: 10 mm Gift-ready packaging These butterfly studs bring a touch of sparkle to your daughter's jewelry collection with beautiful pink crystals and palladium plating. Made with young wearers in mind, they feature secure screwback closures and are crafted from safe, non-toxic materials for peace of mind. Features Type : Screwback stud Earrings that are secure Earring studsc: 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 : 10 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!