Problem Solver Kent-h, Bifma Passed High Back Ergonomic Mesh Office Chair Swivel High Back Office Chair [best Value] [CZBTbWov]

The whole chair can passed BIFMA standard
1) High back ergonomic mesh office chair with adjustable headrest in height & angle;
2) Full backrest can be height adjustable; Nylon mesh back with nylon back frame in ergonomic design
3) Adjustable 2D lumbar support in height & depth
4) Double layer nylon mesh seat with injection foam for seat front inside + nylon seat frame.
5) 3D nylon armrest with soft PU padded
6) BIFMA passed CLASS 4 chrome gaslift
7) Multi-functional mechanism with back reclining & locking at 3 positions function (If need with seat sliding, add $3.5)
8) BIFMA passed 340mm black nylon five star base & BIFMA passed 60mm PU nylon castors