Breathable mesh cushion: Designed with full backrest mesh, the air circulation is not stuffy, bidding farewell to the embarrassment of prolonged sitting and sweating; High elasticity mesh fabric fits the body shape and disperses sitting pressure. Multi level support and spine protection: Built in lumbar support design, conforms to the curve of the lumbar spine, effectively relieves lumbar soreness caused by prolonged sitting; Adjustable headrest, suitable for different heights and sitting positions, allowing for more relaxed cervical spine. Flexible and comfortable configuration: 360 ° silent rotation+smooth universal wheels, smooth movement without scratching the floor; Thick nylon base, stable load-bearing, easy and convenient lifting and adjustment. Simplicity and Versatile Appearance: Classic black and white color scheme, suitable for modern simplicity, Nordic and other home styles, suitable for office, study and conference rooms.