Single system-- consists of chair, rollabout station, and mat. All black and chrome. Bought 11/2 years earlier. Can discuss specific prices.

　　Station consists of power strip

　　39"x15 1/2" x25".

　　Fold out drawers and 2 shelves in doors.

　　Chair has extender for even more height.

　　27" wide.

　　Mat in good condition on leading (fragile foam broken on bottom-- not noticeable on leading).