Allows children to silently move while working enabling greater concentration so that they can stay on task longer and be more productive. Unique antimicrobial material offers a proven barrier against multiple dangerous pathogens including E. Coli, Staphylococcus, and many other bacteria, fungi, and molds. The barrier, which protects from harmful microbes, will never wash out. Flexible nubs on one side and smooth on the other, this seat gives a choice for just the right amount of tactile stimulation reducing anxiety, restlessness, and the need to fidget. Ergonomic cushion gently tilts the hips, pelvis, and spine forward placing kids in a more active seating position, improving posture and strengthening the core. Portable and easily transferred so kids can bring the cushion to every class and home again for meals and homework time. Comes inflated with easy-inflation pump included so the firmness of the 10” square wedge can be contoured exactly to each child's needs. Safety tested.