Medium back chair : 

1.Ergonomic back design, plastic back frame & metal back bracket,front tilt angle and normal angle adjustable back, high elastic mesh upholstery;

2.Seat:high resiliency moulded foam and fabric 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