Key Features :
i : Allow children to quietly move while working, enabling them to stay on task and be more productiveii : An outlet for excess energy which enables kids to sit still in the classroom, at meals and around the houseiii : Unique antimicrobial material offers a proven barrier against multiple dangerous pathogens including E. Coli, Staphylococcus and many other bacteria, fungi and moldsiv : Flexible nubs on one side and smaller bumps on the other give a choice for just the right amount of tactile stimulation to calm kidsv : Ergonomic disc causes the body to stabilize itself – improving posturevi : 10.75"/27cm diameter comfortably fits a young child perfectly unlike larger cushions and balance discs