2.5" x 5.5" Rectangular 1 UP Gloss BOPP Inkjet Label Roll with Permanent Adhesive. 400 labels per roll. Roll has a 3" Core and 6" OD. Matrix Removed. Perforations > Yes. Label corners are > Rounded. Black Sensor Mark > none. Can be used with Dye and Pigment inkjet color label printers. PRICE IS PER ROLL. SOLD BY THE ROLL.There are 18 Rolls/Carton if you want to purchase by the case. Generic Packaging.