You can print this BradyGrip Velcro material with your own text and then apply it to VELCRO Velcro. This way you can easily bundle and identify your wires and cables. The printable Velcro material with number M21-500-414 is repositionable and easily removable. The Velcro labels can be used with BMP21 label printers and Velcro in format 13mm to 16mm. This cartridge contains 1 print ribbon with a length of 3m and a width of 12.7mm.