The Avery PET15B blue markers are 15mm in diameter. The round stickers are excellent for marking and labelling items. With the help of the paper labels you can easily organize your documents. The marking labels also come in handy as colour coding for discount percentages in shops. The blue stickers stick well to different surfaces. You can write on the stickers or print on the material with a copier, inkjet or laser printer. This pack contains 10 sheets with a total of 960 markers.