Medium back chair: 

1.Ergonomic back design, front tilt angle and normal angle adjustable back,durable high elastic mesh upholstery;

2.Seat:durable high elastic mesh upholstery ;

3.Mutil-functional tilt locked control, with seat slider;

4.Smart ergonomics 4D armrest with functional PU armpad,360 degree rotary adjustable;                                                                                                                                             

5.High profile nylon base with two twin casters(60mm).                                                                                     

6.Gaslift: class 4 gas lift