TIDOO Jewelry Fashion Stud Earrings - 5mm Wide Platinum Plated Ear Studs Material:Cooper,Platinum.Top quality Super Shiny Cubic Zirconia CZ(Australia Crystals) Micro inlay zircon. All uses the manual polishing technology. To avoid tarnish, limit exposure to water, perfume, or body cream An excellent gift for anniversaries, graduations, birthdays, or just as a surprise to remind that special someone how much you care.