Excellent for children and adults who need sensory input, this 13 inch SensoSeat can also be used as a calming agent for people with ADHD, low tone or even a lack of circulation. One side is bumpy and the other side is smooth. The use of this seat will improve spatial and mental awareness as well as lessen hand fidgeting. Unlike other seat cushions the SensoSeat does not need to be inflated. When finished simply roll up the cushion, attach the included adjustable strap, and place the seat pad in a book bag, hand bag, briefcase, etc. This product is successfully being used in schools, therapy clinics, and even dinner tables. Can be used on any standard stool, desk, chair, or even on the floor for circle time. Pads can be also be combined for a sensory tactile path to walk on or a place to rest feet while sitting.