FUF1003 Features: * Dynamic Wedge Cushion * Improves attention in kids who seek constant movement or have poor body awareness * Great for classroom use * Promotes active seating and good posture * Eases back strain resulting from prolonged sitting * Great for use in balance and postural training * Wedge shape has a smooth surface on one side and the other side covered with smooth slightly raised ""bumps"" * Increase or decrease the amount of air you place inside for the perfect seating arrangement Construction: * Sturdy, solid construction