Brand: Hosper Product Code: Hosper-RC12 Product Name: Hosper 9x11Inch 18M Vertical Single Colour Conventional Cover Plate. Size: 9x11Inch. Material: Polycarbonate Color: White. Hosper if you are thinking of replacing the old looking conventional switches in your home,then all that can be done with our conventional plates without changing the old wooden concealed box. ISI Mark.