Leda-M, Flip-up arms Mesh Chair High Back Comfort Ergonomic Swivel Office Chair pc Computer Home Office Chair Color:Black 2) Black pp with fiber

2) Black pp with fiber back frame + fabric padded seat with injection molded foam inside+plastic seat bottom cover

Chair seat: PP material + high density foam inside + fabricMetal frame: PP material

5mm thickness metal tube

Color is Swedish Akamatsu+Sencoospace White+Tiffany Blue

with wire box

Leda-M, Flip-up arms Mesh Chair High Back Comfort Ergonomic Swivel Office Chair pc Computer Home Office Chair Color:Black 2) Black pp with fiber1) Mid back mesh office chair 2) Mesh back + black PP with fiber back frame (Back strength test more than 136kgs) + height adjustable lumbar support 3) Foldable armrest with soft fabric padded armpad 4) Fabric padded seat with injection molded foam seat inside 5) 2. 5mm thickness butterfly tilt&lock mechanism 6) BIFMA passed CLASS 3 gaslift 7) 320mm black PP base + BIFMA passed 50mm PU nylon castors