BPA Free CORELESS thermal paper rolls, by eliminating the plastic core we are able put more paper on a roll; up to 30 ft more paper vs a thermal roll on a plastic core. This 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 40 ft roll has an OD of only 1 1/8" similar to 14 to 30 foot rolls on a core. Direct from the paper converter, Western Diazo in Calgary, Alberta, CANADA.