*** 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 for serving staff using mobile payment terminals. Huge environmental benefits; no plastic core to buy, transport, store and put into the waste stream. The 75 ft roll has an OD of only 1 1/2" or 38mm similar to 44 to 60 foot rolls on a core.