Features: High Quality Materials: This thermogenic moissanite spinner ring is made of high quality stainless steel which never fades never rusts and is low allergenic. Skin is safe and never turns green. Durable design no need to worry about damage. Relax Your Mood: The thermogenic Moissanite Spinner Ring is easier to hide but spinning the anxiety ring on your finger can give you quiet peace and quiet when you need it. Accelerate metabolism. Ease Irritability: You can sit at your desk all the time using a Thermogenic Moissanite Spinner Ring. Cool fingertip toys. These anti-anxiety and fidget rings help you relax when you play with it and spin it around allowing you to get rid of all the tension and stressful emotions. Depression Relief: These fidget rings are perfect for people who struggle with anxiety. It's recommended if you want to break some bad habits. Helps with anxiety. After Sales Guarantee: If you have any questions about our ring please contact us immediately and we will reply to you as soon as possible. I wish you a happy life. Specification: Material: Titanium steel Size Inner Circumference(mm) Inner Diameter(mm) 5 49.8 15.8 6 52 16.5 7 54.7 17.3 8 57 18.2 9 60 19 10 62.4 19.8 Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect. 2.Please allow 1-3cm deviation due to manual measurement. includes: 1 * Ring