Hypoallergenic: surgical titanium posts Size: 9 mm Gift-ready packaging These charming screwback studs let your daughter shine worry-free. Made with hypoallergenic surgical titanium posts and safe, non-toxic materials, they're the perfect choice for delicate young ears. Features Type : Screwback Stud Earrings that are secure Material : The leverback part that goes into the ear is 925 sterling silver. The rest of the material is brass with a yellow gold plating or palladium plating (similar to white gold yet more hypoallergenic) Stone : Crystal Size : 9 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!