Oka-H, Boss executive black high back mesh office chair sillas de oficina with 2D lumbar support adjustable armrest ergonomic chairs height adj. des 3) SEAT: Fabric padded seat

3) SEAT: Fabric padded seat with high density foam inside 4) ARMREST: 3D armrest 4) GASLIFT: BIFMA passed CLASS 3 chrome gaslift5) MECHANISM: Muti-functional mechanism with back reclining and locking at 3 positions function

other is with 1

7) BIFMA passed 340mm black nylon base with BIFMA passed 60mm nylon PU castors

with a  capacity of 30KG

5mm thickness butterfly tilt&lock mechanism6) BIFMA passed CLASS 3 gaslift7) 320mm black PP base + BIFMA passed 50mm PU nylon castors

Oka-H, Boss executive black high back mesh office chair sillas de oficina with 2D lumbar support adjustable armrest ergonomic chairs height adj. des 3) SEAT: Fabric padded seat1) High back ergomonic mesh office chair with 2D headrest & cloth hanger 2) Mesh back + nylon back frame +2D lumbar support ( botton with three colors for options, black blue red) 3) Fabric padded seat with injection molded foam inside + plastic cover 4) Height adjustable armrest with soft PU armpad 5) Multi functional mechanism with back reclining & 3 positions locking function 6) BIFMA passed CLASS 3 gaslift 7) BIFMA passed 340mm nylon base + BIFMA