The Fitterfirst ProActive Sit Disc is made with self-inflating Therm-a-Rest® technology. It inflates and deflates to suit your needs, making it portable and ideal for travel.
The soft, washable fabric-covered surface is comfortable for both standing and sitting.
- Over-inflate to use as bolster or for exercise
- Improve posture on the go, rolls up to fit in bag, drawer, etc
- Durable for standing exercises