Abundant Quantity: you will receive 100 pieces of spiky sensory rings in 8 different colors, abundant quantity to meet your personal and sharing needs, diverse colors to satisfy your different preferences, and you can also share them with your friends and family members Material and Size: Made of quality stainless steel with anodized coating, these sensory rings fidget toys are rust proof and long lasting and sturdy, not easy to deform or fade, allowing you to wear for a long time Easy to Use: you just need to roll these fidget toy rings up and down your fingers, then they could create plenty of pressure and sensation through the acupressure process; To a certain extent, they can improve the blood circulation of the fingers, which is very suitable for students, office workers and more Reduce Stress: the rotator design of the rings can allow you to reduce your stress and anxiety, helping you relax and bring a happy mood; They can also distract you from electronic devices and concentrate your attention Suitable for Most People: the finger massager ring has an outer diameter of about 2.5 cm/ 0.98 inches and an inner diameter of about 1.2 cm/0.47 inches, which is suitable for most people to wear; You can measure your finger circumference before you place an order Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.