Chris-H,Red curved backrest office chair Color:Red + black 6) 340MM nylon base with

6) 340MM nylon base with BIFMA passed 60mm PU nylon castors

0mm thickness fireproof

4) Multi-functional mechanism with back reclining & 3 postions locking function

Hardware: High-quality three-section heavy-duty steel rails are used

7) 350MM aluminum five star base & BIFMA passed 60MM PU nylon castors

Chris-H,Red curved backrest office chair Color:Red + black 6) 340MM nylon base with1) New design ergonomic mesh office chair+2D lumbar support 2) Nylon back frame +fabric padded seat with foam inside 3) T shaped height adjustable armrest with soft PU armpad 4) BIFMA passed CLASS 3 gaslift 5) Multi functional mechanism with back reclining & 3 positions locking functions 6) BIFMA passed 340mm nylon five star base & BIFMA passed 60MM PU nylon castors