4" x " Rectangular 1 UP Glosy BOPP w BC20 Inkjet Label Roll with BC20 Permanent Adhesive. 220 Ft labels per roll. Roll has a 3" Core and 6" OD. . Perforations > . Label corners are > Square. Black Sensor Mark > . Can be used with Dye and Pigment inkjet color label printers such as: Epson C6000/C6500/C7500, Primera LX910/and Afinia L301/L502/L701/L801/L901. PRICE IS PER ROLL. SOLD BY THE ROLL.There are 12 Rolls/Carton if you want to purchase by the case. Generic Packaging.