Be made with environmentally friendly ABS plastic and safe material that are highly durable for all day play. Diameter ring size: 1.3 inches | inner ring size: 0.8 inches | weight of each gadget magnet ring: 10g. Let the ring turn and rotate flexibly between fingers like a smart spirit. When you feel anxious, nervous and irritable, quickly focus and release stress through a simple rotation game. Use cool fidget rings to curb unnecessary habits, such as nail biting and smoking. These fidget rings are ideal for travel, work, family or pencil boxes. They are light, pocket sized and easy to carry, allowing you to experience happiness and spend boring time anytime, anywhere. Dr.Kbder Fidget Ring is the best choice for a premium present. Unique gear design, cool turning skills, small and easy to carry, this fidget ring will allow your kid to be the group's new star. We will provide 60 day unconditional money back guarantee and return and replacement guarantee according to customer service. If you have any questions, please feel free to contact our customer service, and we will provide you with 24-hour service at any time. › See more product details