Material: This magical power worry ring is made of environmentally friendly high-quality 316L stainless steel, and can be used as a bottle opener ring. Never fade, anti-oxidation, hand-polished. It keeps the gloss for a long time and is harmless to thehuman body. Nickel-free, lead-free, hypoallergenic, suitable for daily wear. Design details: The rotating ring is considered to come from the ancient Tibetan meditation tradition and is called the "worry ring". The mood ring has a light rotation function, which can provide meditation, calming and anxiety effects. A variety of sizes for you to choose: our Fidget Spinner ring size is 9, colors: black Ideal gift: Jewelry is a symbol of fashion and an ideal gift for yourself or your lover. Just looking at the wrist, a pendant can recall the first date, party, birthday, wedding, Valentine's Day, Christmas or Mother's Day. She will remind her of her ownstrength, you are always there