Solemate Comfort Footrest With Smartfit System, 21.5w X 14d X 3.5h To 5h, Gray-blackLuxurious memory foam soothes tired feet and eliminates stress on pressure points. With a flick of the foot operated lock, the angle can be adjusted for all day back and leg comfort. Height adjusts from 3 1 2" to 5" to match your individual SmartFit comfort color. Width: 21. 5"; Height: 3. 5" to 5"; Depth: 14"; Color(s): Gray Black.