It s no ordinary seat cusion! This wedge gently tilts the hips pelvis and spine forward to place kids in a more active seating position. With improved seating posture kids are ready to learn and can focus for longer periods of time. Two-sided design offers a smooth surface on one side and tactile bumps on the other for sensory input when needed. Ideas for use: inflate to the max to create a sloped surface that challenges balance and supports wiggly learners by encouraging movement deflate for a firmer steadier seat; sit on the cushion during circle time seatwork or mealtime to encourage quiet movement; use during test-taking and homework time to sharpen focus. Cushion can be inflated with needle hand pump (sold separately). Made of PVC. Use with adult guidance. Surface wash. Air dry. Holds up to 400 lbs.