Product description: Color: silver, golden Material: stainless steel Inner diameter: 1cm Outside diameter: 2.8 cm Package includes: 10 * Random Color Medicine Acupressure Massage Rings Description: [Material and Size] - Made of high quality stainless steel with anodized coating, durable, reusable, rustproof and not easy to fade; The outside diameter of the massage ring is approx. 2.8 cm, the inside diameter approx. 1 cm and the height approx. 0.8 cm. The elastic design fits most people and is convenient to carry. Roll them up and down for a fun, unique feel - they are perfect for sensory and tactile stimuli [EASY TO USE] - Put the massage ring on your finger, roll it up and down. The finger then applies pressure to give the finger a massage purpose. [Comfortable] - Quiet fidget toy, promotes a feeling of calm, reduces stress, anxiety and increases focus and attention. These prickly acupressure sensory finger massage rings promote calmness and reduce cravings for biting, smoking, nail biting, and cuticle pimples. Brush them along your fingers and improve your health today [Scope] - Acupressure rings are suitable for adults, teachers, students, therapists, and long-term computer users. Especially for restless people who want to reduce stress. Perfect for class, at home or in the office. They are great for parents, teachers, students, therapists, and more. They are suitable for those with ADD, ADHD, and obsessive-compulsive disorder.