A4 is the most popular size of paper on the market, so squeezing 15 circular labels per page onto these sheets makes perfect sense. As a result you can use these 51mm diameter labels on almost any commercially available printer without issue.With a total of 1,500 labels in the pack, you can make any labelling tasks imaginable with one simple purchase. The matte finish of these 51mm diameter labels makes them very similar in appearance to regular paper, with the added bonus of being adhesive to almost any surface.Our manufacturers own templates can be found linked below:    Microsoft Word Label Template    PDF Label Template These labels are suitable with both laser printers and inkjet printers.