If you've never heard of the Swopper stool, look them up online. They are expensive and/or hard to find here in Canada.
Compare at $500+ for a used one.
Super comfortable and height adjustable. Excellent for home or office use.
Black suede fabric on seat.
"Sitting on the Swopper Chair instantly improves your posture and provides relief from back pain while strengthening your core muscles in the back and abdomen with its gentle bouncing motion. This movement also helps improve circulation and provide nourishment to the inter-vertebral discs, assisting lymphatic flow.
The Swopper keeps your body engaged and comfortable; this is a major change from your standard office chair or exercise ball. Burn calories, promote better posture, and help improve circulation while toning your abdominals with the Swopper Special Edition Chair."
Features:
Designed and produced by Aeris GmbH
Active movement helps burn calories and tone core, abdominal, and back muscles
Vertical height adjustments to suit a wide range of users
Soft, continuous bouncing supplies the spine with vital nutrients