Foam
Comfortable memory foam
Cover
Environmental PU leather cover
Wheel
PU cover nylon casters
Armrest
3D adjustable armrests
Mechanism
tilt function mechanism
Frame
Sturdy metal frame construction
Gaslift
Class 4 gas lift support up to 150KGS
Chair base
Stable 5-star nylon base
Color
7 different colors available
Backrest adjust degree
180 degree