Thermal rolls are designed for point-of-sale receipts in portable printers. They are easy to use. Simply drop them in the portable printer's cradle and feed the paper. End-of-roll warning feature keeps you prepared for replacement time. The recyclable core of the roll and the packaging are made of recycled plastic. The 2-1/4" x 55' thermal roll is made with BPA-free and FSC Certified thermal paper.