"Smudge-Free" technology - makes any ink "quick-dry" ink. Any Ink from your PB postage meter dries instantly on our tapes. Don't settle for imitations that cost you more! 5x5 pinwheel contains four 3-1/3" x 1-5/8" tapes, 600 total tapes per pack, 4 tapes per sheet, 150 sheets per box Can be used in all PB, Neopost, Hasler and Francotyp Postalia hand fed Postage Meters. All of our labels are packaged in high quality white boxes. Our boxes prevent damage from occurring during shipping and make it easier for you to store your labels. Many competitors labels are shrink wrapped because it is cheaper but they do not protect the labels from getting damaged and from laying loose all over the place once the shrink wrap is opened.