Use it as a fun and easy way to warm up and stretch your spine throughout the day.
One side has a knobbed surface; the other has a ribbed surface for easy grip.
Vestibular discs work on neuromuscular rehabilitation. It is an uneven surface for you to train on, sit on, stand on… whatever. Just do it. Popular with people that sit at computers all day, allows you some movement and breaks up the monotony of not moving. Helps make you stronger at the core level and with balance and posture.
Pre-inflated. Can withstand 500 pounds of pressure.