【Extremely Good Air Permeability-Premium Mesh Material】Comfortable drafting chair with mesh back, will promote air circulation, allowing you to sit cozily for long hours. Built-in lumbar support helps prevent back strain and muscle fatigue. 【Multi-function adjustment-Adjustable Seat Height and Footrest】This tall office chair has many adjustable features to ensure you to find a good seat position. Adjustable seat height and foot ring could be easily up and down during busy working time. 【Comfortable Features-Swivel a full 360° & Upholstered Seat】This tall table chair swivel a full 360°for reaching and moving between different areas around you, the great stability and mobility, allows you to sit comfortable with a suitable position to improve your posture and overall health while working.