It wasn't mentioned in the listing but these earrings are stainless steel. I wasn't sure until they arrived in a sealed blister pack with the words "stainless steel" printed on the insert. That being said, I absolutely adore these earrings. They are comfortable for everyday wear, the size is just enough to get noticed without being gaudy, and the cute little shield makes me feel like a super hero (individual results may vary)Bought these as a gift for my niece and she loved them! They are really nice looking (the picture doesn't quite do them justice) and made of steel, so her ears shouldn't have any problems. They are a nice size, too, not huge, but big enough to be able to clearly see the shield.It's a bit smaller than expected, but that's okay. They look really nice.They were nice- I love them they came in right in time! Color is very vibrant and they are in perfect conditionI got these for my best friend and she LOVES them! They look great and are not cheaply made. She wears them everyday and she says they're really comfortable. Perfect gift for Marvel lovers!Slightly smaller than I anticipated, but they're lovely!Used these to make a set of earrings for my daugher's BFF who has sensitive ears. snipped the post off and added plastic stubs to the back. Worked out perfect and she absolutely loves them.They are small but seem sturdy. It's a subtle way for a 40 year old gal to show she's a Captain America fan.