This moon star anxiety ring is special designed for who is constantly fidgets, the center band can be spun manually. It is a small but great anxiety reliever, can provide you free from anxiety and relieve stress Fidget ring with moon star design, wear this spinner ring to motivate you and your friends go through difficult time, especially helpful for adhd. Silver Ring Size: 10#; diameter 19.8 mm, perimeter 62.2 mm. Material: These fidget rings are made of 925 solid sterling silver. Hypoallergenic, nickel-free. Note: The grey black color on the ring is oxidized deliberately, not dirty. Oxidation effect can make star moon look more realistic and retro. Arrive in a Lovely Gift Box + silver polishing cloth. This star moon spinning ring is the best gifts for sister/ mother/ daughter/ wife/ women/ men/ girls/ boys/ niece when Christmas/ Valentine's day/ Mother's day/ Graduation/ Birthday/ Vocation/ Anniversary/ Wedding/ Halloween/ Easter Day etc. Also a great choice to treat yourself.