Product Dimensions 16.1"D x 16.1"W x 33.3"H Brand SONGMICS Material Polyester, Foam, PP (Polypropylene), Steel Color Black Special Feature Adjust, Ergonomic, Swivel Room Type Living Room,Office [Effortless Mobility & Posture Support] Experience smooth and multidirectional motion with this ergonomic swivel stool. Keep your feet grounded during use and let its inclined column promote an upright posture and correct sitting alignment [Comfort Every Workday] Treat yourself with this large, comfortable seat upholstered with high-density reflex foam, and make it where a comfortable and productive workday begins [Adjust to Your Height] Press the button under the seat to adjust the stool to the height you need (23.6" to 33.3"), so you can always sit comfortably even when you adjust your standing desk to a higher level [No Muss, No Fuss] You don’t even need a tool; simply put the pole into the designated holes of the base and seat and the standing stool is ready to make your office life easier [What You Get] A comfortable wobble stool that relieves your fatigue from long hours at work. Go ahead! Start a healthy working style with this active stool!