?S-SHAPED MESH BACK DESIGN?: This ergonomic office chair is designed base on biological curvature of human?s back, making the S-shape of the back best fit into individuals? body. The high-back design also provide full support to your lumbar, back and head during long working hours. Equipped with armrests, bringing premium sitting experience to all users.

?MESH & ARTIFICIAL LEATHER MIXED DESIGN?:: The non-woven fabrics ensure a breathable and elastic texture. Artificial leather comes with a firm, fade-resistant and easy-to-clean surface. Mix of two covering materials intends to provide various attributes and functions. A thoughtful design brings best comfort to our customers.

?HIGH QUALITY MATERIALS?: This chair is built in a sturdy metal frame, which makes sure our users sit steadily in it. The breathable mesh back not only provide soft and bouncy support to the back, but also let body heat and air go through and maintain a fine skin temperature. Artificial leather is hard-wearing and relatively soft. Metal base of the chair is also durable enough to carry up to 135kg/297.6lb with a SGS approved gas spring.

?ADJUSTABLE SWIVEL CHAIR?: The seat height can be adjusted from 48-58cn/19-23??high according to individuals sitting habits. There are five durable nylon casters equipped under the chair base, which allow you to move in the chair smoothly with a 360 degrees rotation. You can move easily from table to table for picking up the distant files or urgent phone calls.

?CENTER-TILT TENSION?: This chair has a rocking feature to relax and chill during your office break. Users can choose to tighten or release the tilt-tension while they are rocking back and forth by lifting up or pushing down the knob beneath the seat. The rocking feature adds more fun to traditional office chair and take your sitting experience to the next level.

?EASY ASSEMBLY?: Before assembling, please check all the parts according to the parts list provided. Hardware, connection parts and handy tools are also provided in the package. We suggest our customers read the instruction carefully and wear gloves before the assembling procedure. The process normally takes about 30minutes.