Lisa-H，high back ergonomic mesh office chair full backrest is 6CM height adjustable $50-$100 6) BIFMA passed 320mm nylon

6) BIFMA passed 320mm nylon base with BIFMA passed 50mm PU nylon castors

with seat sliding (+4

2) PP with fiber backrest

5mm butterfly mechanism with tilt & lock function & tilt tension adjustable 5) BIFMA passed CLASS 3 chrome gaslift 6) 300mm chrome metal base & 50mm BIFMA passed PU nylon castors 7) Quality warranty: 3 years

Nylon mesh back with nylon back frame in ergonomic design3) Double layer nylon mesh seat with injection foam for seat front inside + nylon seat frame4) Seperated back lumbar support with automatically rebound forward and backward

Lisa-H，high back ergonomic mesh office chair full backrest is 6CM height adjustable $50-$100 6) BIFMA passed 320mm nylon1) High back ergonomic mesh office chair with adjustable headrest in height (+7CM) & angle; 2) BACK: Full backrest is 6CM height adjustable; Mesh back with nylon back frame + plastic fixed lumbar support; 3) SEAT: Fabric padded seat with high density foam inside; 4) ARMREST: Height adjustable armrest with soft PU armpad4) GASLIFT: BIFMA passed CLASS 3 chrome gaslift5) MECHANISM: Multi functional mechanism with back reclining & locking at any positions