Mcdoofly is devoted to offer you high-quality and comfortable chairs, design to ensure that you get a comfortable sitting experience,delight your rigorous daily work!The ergonomic saddle stool chair is ideal for professionals,also applicable for clinic,dental hygienist,stylist,therapist, esthetician,tattoo,studio,sewing,office,classroom,kitchen,garage,massage,spa,salon and home. Specifications: ?Seat Dimensions: 15.75" L x 15.5" W x4.75” ?Adjustable Seat Height Range: 21.5 - 29.5" ?Diameter of Five Star Base: 20.5" ?Diameter of Caster:3" ?Weight capacity :400 lb Benefit from the saddle stool chair: The saddle is designed to keep the pelvis in a natural position with the hips and thighs bent forward. As a result, neck and back pain is reduced, posture is improved, and blood flow and oxygenation are increased to maintain a healthy and comfortable situation. If you spend for several hours a day at your desk, you certainly need to have a comfortable chair. This adjustable ergonomic saddle stool features concave backrest design to fit your back curve and thus effectively relieve the pressure of spine, improve posture and blood Circulation. Meanwhile,adjustable height and 360-degrees rotatable seat ensure the maximum versatility. An good choice to care for your waist, back, neck so as to effectively relieve fatigue.