Material Stainless Steel, Metal Colour Red, Silver, Gold, Blue, Green Specific uses for product Arthritis Package Contents: You will receive 15 pieces spiky sensory finger rings fidget rings for anxiety in multi-colors.Note: please do not pull hard, the acupressure ring is inlaid and not fully fixed, pulling hard will tear it apart. High Quality: Spiky finger ring made with high-quality stainless steel with an anodized coating, skin picking fidget toys are made to be strong.Units are 0.97" in diameter and 0.34" tall. Unique Design: The design of the massage ring is based on acupuncture technology. It helps to relieve pain after long-term finger and wrist work. It can also reduce anxiety, relieve stress, warm and stimulate blood flow in the hands. Easy to Use: Put the massage rings on the finger, scroll up and down, then the finger will produce pressure, so as to give the finger massage purpose; our finger roller massager is elastic and suitable for fingers of most sizes. Wide Range of Applications: Fidget and sensory toys are great for children ages 3+ and adults, but especially helpful for those with attention disorders, ocd, special needs, or high anxiety levels. These toys help promote a sense of calm, help reduce stress / anxiety and can help increase focus / attention.