Material: 18k gold plated stainless steel with CZ detailsAvailable in sizes 6-8All gold and stainless steel jewelry is hypoallergenic.In order to increase the longevity of your gold and stainless steel jewelry pieces, I recommend the following: Do not shower in, swim in, or get your jewelry wet. Remove jewelry before going to bed and before exercising. Avoid contact with oils, perfumes, lotions, creams, harsh chemicals, etc. Store your jewelry in a cool, dry place when not in use and avoid direct sunlight. Do not twist, tug on, or pull your earrings as rough handling may cause them to break.