Material: High-Quality Solid 925 Sterling Silver (Nickel-Free and Lead-Free)Stones: Cubic ZirconiaColor: Silver Center Stone Size: 1.0 Carat Side Stone Size: 1.0mm Each ApproximatelyRing Size: Adjustable, Suitable for Sizes from 3 to 10Packaging: Complimentary Gift Box and Jewelry PouchCare Instructions: Sterling silver can be worn in the shower and will not rust. Silver will oxidize naturally, use a gentle silver cleanser or a silver polishing cloth to clean and re-shine as needed. Store your jewelry pieces in an airtight container or a Ziploc bag whenever not in use to keep them from oxidizing quickly. You+Sterling Silver = Forever. The oils in your skin help keep silver from oxidizing fast. So, wear often.