the instructions could be a little more helpful. the hydraulics would not work until chair seat taken off and manually manipulated several time to loosen them up and a spacer placed on the plunger button to push in better. i saw a similar complaint on other reviews so perhaps this is the same problem on those occurences.

• Did the color match the color displayed onsite? yes
• How is the quality of the product? good
• Did the description onsite accurately describe the product? yes