This Mead Apex thermal paper roll is compatible with your thermal printing calculator, ensuring crisp and clear prints every time. With each roll measuring 2 1/4 inches in width and 75 feet in length, this pack of 3 rolls provides you with plenty of paper to keep your business running smoothly. The white color ensures that your prints are easy to read, while the paper type is thermal, meaning that it requires no ink and is easy to maintain. Additionally, the paper is made by Mead, a trusted brand in the industry, ensuring quality and reliability.