This set of PB compatible postage rolls is a great deal. You get 3 rolls for a fraction of the cost. These rolls work in a number of Pitney Bowes printers. They replace Pitney Bowes Self-adhesive Postage Tape Rolls 627-8. These rolls are not perforated to allow for adjustments to be made to the print size. You can print just your indicia, or you could extend the length out a little and add your advertisement or slogan too.