Metal: 316L steel, It is anti-tarnish, nickel-free, and hypoallergenic, light weight. Never getting green, you can wear it daily, even take a shower and swim. Size: Bar Thickness: 16G=1.2MM Inner Size: 8mm & 10mm Package: Sold individually Color: Silver & Gold Options Jewelry Care: 1. To further help preserve the jewelry, please avoid water, lotion, perfumes, and other liquids when wearing 2. Silver jewelry is best kept in sealed bags to minimize contact with air and moisture and separate it…