Floating Feather Sterling Silver Studs in Glass Terrarium Tube These gorgeous earrings are the perfect gift idea! Made with 100% sterling silver, these earrings are hypoallergenic fair well with the daily wear and tear of life. It is also a good choice for people who suffer with allergies and skin sensitivities, as it's very unlikely to cause irritation. This item is handmade designed and made in the UK.