PACKAGE INCLUDED: 5 Acupuncture Rings5 Colors. SIZE: the diameter of each unit is approx. 0.9 inch, and the height is approx. 0.27 inch, which is convenient to carry.Roll them up and down for a fun, unique feel - they are perfect for sensory and tactile stimuli! COMFORTABLE: Quiet fidget toy, help promote a sense of calm, reduce stress, anxiety and increase focus and attention.this spiky sensory finger acupressure massage rings, natural distraction that stimulates calmness and reduces the craving to bite, smoke, chew nails, pick cuticles! Brush them along your fingers and better your health today! WIDE APPLICATION: Perfect for the classroom, home or office, they're great for parents, teachers, students, therapists and more, and suit for those with ADD, ADHD, OCD, help them reduce stress, warm and stimulate blood flow in hands. HIGH QUALITY: We use only the best quality metal paired with special technology and most importantly with education on stress and focus. Use them as a cool new gift idea for anxious special needs or focus-lacking kids or adults!