Product description feature: With 4 rotating wheels Modern fabrics and polyurethane foam, comfortable seats After sitting, place your buttocks to keep your back straight The seat height can be adjusted for maximum comfort Ergonomically designed to promote correct posture and relieve fatigue specification: Color: blue, red, black, brown Surface treatment: natural wood Weight: 120 kg Adjustable height: 50-73 cm Overall size: 46x59x62 cm (length x depth x height) Package includes: 1 x kneeling chair, 1 x user manual Material: fabric-cushion cover, foam-inner padding, wooden structure Due to the characteristics of the knees, the posture correction chair allows you to increase the angle between the torso and thighs, helping the spine to assume the physiological structure of the habitat. A multi-purpose chair with multiple functions provides excellent comfort for those who use it. "Very suitable for those who have to sit for a long time."