Merax Tall Back Erogonomic Racing Style Adjustable Chair &ndash; Black / Red ATTENTIONThere are 2 colors of wheels for the chairblack and silver with the same qualityas the picture shows, which will be shipped randomly. Both are authentic,hope you understand Set your desired height by using the lever underneath the chair Slide out footrest for super relax 360 degree swivel rotation. Adjustable height gas-spring. Tiltable seat with lock function A handy head cushion as well as an extra large lumbar cushion arrives with each chair