Convert your seating system to a Two Step by adding the Sweep Head Rest. This soft foam wrap around headrest has two small wings that form the sides. A curved foam cushion is built across the bottom of the center pad, helping cradle the head comfortably. The heavy-duty back plate has pre-threaded 1/4-20 metal inserts for easy mounting. It may be ordered with a full installation kit. Small: 7" wide x 8" high, Large: 17" wide x 9" high