Non-slip, easy-to-clean seat cushion may help to reduce pressure points throughout the day. Pivoting seat leg encourages dynamic movement. Seat pan tilts with knob up to 5 degrees to potentially help support hip flexibility. Designed to adjust to body’s movements; these movements may help the body to be active, relax the spine and engage muscles. Accommodates heights between 4’11” and 6’8″. Discreetly designed wheels for easy portability. Post folds for easy storage. Anti-fatigue mat, included, may help to relieve stress on your feet and lower body while leaning/perching; use is optional. Works with any standing desk/table and is rated up to 300 lbs.