The central mirror is a straight and flat bevelled mirror of 20 cm width over the full length of 170 cm. The 2 outer mirror strips are going from the back to the front of the frame from smaller to larger. The smallest width of those strips is 5 mm, the largest width is 15 cm. All mirrors are bevelled and glued on a frame in polyurethane. This PU frame is decorated in silver colour (sprayed).