Koala Stainless Steel Studs in Glass Terrarium Tube These gorgeous hexagon earrings are the perfect gift idea!! Made with stainless steel, these earrings are resistant to scratches, rust and tarnish. Stainless steel is easy to keep clean and fairs 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.