Has the long hours at the office have left you with bad posture and back pain? Then we have the solution for you: the premium ergonomic kneeling chair will even out your body weight and provide with muscle support, improving your posture .Brand Name: Office posture correction chairChair material: steelFold: NoScroll wheel: YesBackrest height: <= 125mmWith armrests: yesRotatable: YesGeneral use: commercial furnitureSpecific use: office chairType: office, learningFurniture color classification: PU soft leather blackProduct size: 56*47*83 (21.8*18.33*32.3in)Bearing capacity: 300lbQ: How does it relieve back pain?A: It is a sloping design. Sitting on the top can spread the weight of the body to the buttocks and legs, forcing your waist to straighten.Q: What does it do?A: Ergonomic design can help children learn better and is very suitable for office use.