Ergonomically designed, the chair has a rounded curve and fits the body for greater comfort. The chair cushion is made of thickened sponge, which is soft and comfortable to the touch, allowing you to experience the perfect sitting experience. The frame of the chair is made of high quality nylon material, which is flexible, lightweight and good for long time use without breaking. Thickened explosion-proof chassis and high quality gas piston base, the safety factor is greatly improved, so that you can use without worry. High-quality electroplated tripod, long time use will not be corroded, five-star castor's, sturdy and solid.