Ergonomic seat cushion 35cm black

Ergonomic air-filled balance and seating cushion with slope for good posture. Students can move around while maintaining concentration. The knobbly side of the cushion increases blood circulation and sensory stimulation. The other side of the cushion with small balls is perfect for sitting or standing. Place the cushion on a chair or lay it directly on the floor for balance exercises, massage and muscle training. - Recommended age: +3years - Dimensions: 35cm - Material: PVC (meets 18 P)