Designed with sensitive skin in mind, the Lovisa Sensitive Ears Collection utilises premium materials that reduce the risk of irritation. These studs are made from surgical steel to avoid irritation. They feature dainty cubic zirconia stones in a cute cluster shape. Cubic Zirconia, Surgical Steel Size: 4mm (L) x 4mm (W) Weight: 0.2g (one earring) 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.