Designed with sensitive skin in mind, the Lovisa Sensitive Ears Collection utilises premium materials that reduce the risk of irritation. These dainty studs are made from surgical steel to avoid irritation. They feature pretty cubic zirconia embellished butterflies. Cubic Zirconia, Surgical Steel Size: Earring length is 4mm and measures 5mm at it's widest point. Weight: Single earring weighs 0.45g We're confident your ears will love our curated Sensitive Ears collection. However, Lovisa offers a 100% money-back guarantee on selected items from this collection should the earrings cause irritation. This product is eligible for the 100% money-back guarantee.