Using transparency film can instantly add another visual dimension to any business proposal, classroom lesson and more. Use your laser printer to its fullest potential by creating your own overhead transparencies. Simply place the transparency film in the paper tray to produce professional transparencies instantly. Designed for use in most black & white laser printers. A convenient cross reference guide is included with each box and package for identification of compatible printers. Size: 8 1/2 x 11. Works in monochrome copiers, too. 50/BX