Ergonomic Design - The curved design of this mesh chair will reduce back tension and make you feel extremely comfortable. The ergonomic back is made of integrated frame and special mesh to ensure more durable than normal material. The seat be covered sandwich mesh, and the high density upholstered seat padding provides ultimate comfy sitting experience throughout the day. Adjustable & Rocked Function - The functional mechanism of this task office chair can adjust the seat height according to your own height, weight and habit. The whole chair can rocked back and forth, provide an extra relax after your busy working for a long time. Comfortable Features - Breathable Ventilated mesh of this computer chair make you feel more better during working time. Along with 360° swivel allows you to customize your position. The durable nylon base is heavy duty design to ensure safe for whole-day use.