STOP hand from comfortably reaching the mouth - stop thumb sucking, stop finger sucking VERY SAFE. Recommended by pediatric dental, medical and orthopedic specialists neoprene, nylon, polyester wash in cold water, air dry Ages 2-7, right or left arm, fully adjustable Washable, Incredibly soft and kid friendly!!! Includes Parent Guide + positive reinforcement Chart with Stickers https://www.amazon.co.uk/Stop-Thumb-Sucking-Finger-Ages/dp/B00VQU2DZS @aaronfinch