Gary-H(Black frame),Simplicity and practicality high back ergomonic mesh office chair Color:Grey 4) Weight balance mechanism with

4) Weight balance mechanism with back reclining &5 posiotions mechanism

2) Full nylon mesh back & seat + black nylon back frame + height adjustable headrest & cloth hanger

size adjustable when assembling(Table top is 1

5mm thickness butterfly tilt & lock mechanism

1 sides Socket box

Gary-H(Black frame),Simplicity and practicality high back ergomonic mesh office chair Color:Grey 4) Weight balance mechanism with1) High back ergomonic mesh office chair with 2D headrest 2) Nylon mesh back + black PP with fiber back frame 3) Fabric padded seat with injection molded foam inside 4) Height adjustable armrest with PU armpad 5) Multi function mechanism with back reclining & 3 positions locking function 6) BIFMA passed CLASS 3 gaslift 7) BIFMA passed 340mm nylon base + 55mm castors