Why is BackJoy so small and comfortable?
Joy must be smaller than your buttocks. It is designed to cradle the 4″-5″ space around the two sitting bones at the base of your pelvis. It is most effective for adults from 118 to 285 lbs. It is because BackJoy is so small that it can literally float your spinal system in natural cushioning. It’s the floating in your natural soft tissues that feels so comfortable.