Office Chair Wheels Replacement Rubber Chair casters for Hardwood Floors and Carpet, Set of 5, Heavy Duty Office Chair Ball casters for Chairs to Replace Chair mats

Product Review

Built-in lumbar support and headrest help you been in right sitting posture for protecting your neck and waist.
Integrated frame is stable and durable for using and contoured breathable mesh back make you feel comfortable during long time working.
Tilt Lock Mechanism with Tilt Tension Knob and Pneumatic Seat Height Adjustment will match different stature.
Fold up arms will be suitable for different scene.
Heavy duty base with smooth and silenced rolling PU casters. Easy to assemble.