The Jelli Ring is a silicone fidget ring worn on the index finger. The three fins create a satisfying tactile feedback when your thumb fidgets with them, similar to the movement of clicking a pen; This alleviates anxiety and repetitive body focused behaviors like biting nails, scratching head, playing with hair, or picking noes. Do yourself a favor, and purchase this ergonomic and discrete solution that helps alleviate your bad habit you have been struggling to quit. Sizes: US Ring Sizes XS: 4-6, S: 7-9, M: 9.5-11, L:12-14 Worn on index finger so add about 1-2 sizes to what you typically wear on your ring finger.