- Spine insert labels made of cardboard, for wide and narrow files with spine insert or transparent window\n- For a uniform appearance at the office and at home\n- Blank: ideal for company logos, inscriptions and organization notes\n- High-white, coated special cardboard with high opacity\n- Microperforation ensures clean separation\n- Excellent printingresults on all laser printers, copiers, colour laser printers and colourcopiers