4" x 6" Rectangular 1 UP Gloss BOPP Removable Inkjet Label Roll with Removable 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 12 Rolls/Carton if you want to purchase by the case. Generic Packaging.