Primelife Adjustable Flexible Wobble Stool for Home and Office, Non-Slip Wobble Desk Chair, Adjustable Standing Bar Stool Outdoor & Cafeteria Stool  (Blue, Pre-assembled)

It is impossible to actually just sit on a Primelife stool,there is no lying back,no sloppy slouching and definitely no sitting still.With a rotating convex base,the Primelife Stool forms one leg of a stable tripod, your own legs provide the other two parts. That means you are constantly flexing,adjusting and moving while seated; keeping the body active and the mind engaged.But the coolest thing about Primelife Stool,is that it is gas height adjustable.That means it caters for users of various heights and just about any seating application classroom, study groups, libraries, open spaces collaborative learning, behind a desk or on its own.