*** PHENOL FREE *** Made from Appvion Alpha Free thermal paper. CORELESS thermal paper rolls have no plastic core to dispose of, better for the environment. Longer rolls means less changeouts and higher productivity. Suitable for all counter based, tethered payment terminals. Huge environmental benefits; no plastic core to buy, transport, store and put into the waste stream. The 110 ft roll has an OD of only 1 7/8" or 50mm similar to 75 to 85 foot rolls on a core.