Enjoy smooth and efficient printing with these one-ply POS rolls. Each one comes with bright white paper, so black images are clearly visible and bold, while the end-of-roll indicator stripe prevents you from running out without warning. These Staples BPA-free POS rolls contain 50 units per pack, letting you quickly stock up every register in the store. 50 rolls per carton for non-stop operation. Rolls include end-of-roll warning stripe. Paper size: 3. 13"W x 220'L. Premium-quality thermal rolls are guaranteed to work efficiently with your machine printhead. Single Ply Roll. BPA-free paper, which means you don't need to worry about the dangers posed by bisphenol to yourself or others. Safety Data Sheet . Read receipts and perform refunds easily with this 50-pack of Staples one-ply 3-1/8-inch x 220-feet BPA-free POS rolls.