Thermal Transfer, Marker Plate, Polyester/Polyolefin, 3 Inches Wide x 1 Inch High, Red, 500 Per Roll, 3-Inch Core, Non-adhesive marker plates offer crisp, clear legends with superior legibility, Attachable in a horizontal or vertical orientation, Available in a variety of colors and sizes, Use with Panduit RMR4BL resin thermal transfer ribbon.