When you sit in the same position for a long period of time it strains the spine. The Sit'On'Air cushion has a unique shape with two functions. Use by placing the 'bump' towards the back for a relaxing position that relieves the low back. Place the 'bump' towards the front of the chair to create a dynamic and active position for sitting exercises. sold separately.
Attention CA Residents: Prop 65 Warning
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov