8.5'' x 11'' thermal paper rolls, 23 ft/roll, 2 rolls for total. Only use for US Letter Sized thermal printers. Please do NOT use it for inkjet printers or laser printers. This thermal printing paper is compatible with Phomemo, Itari, COLORWING, PokeLabel, and any other brands of M08F and M832 portable printers, effectively extending the lifespan of the print head. The outstanding thermal coating technology ensures superior print quality for this thermal paper, while preserving the images for up to 10 years. Please note to avoid direct sunlight and high-temperature environments. Through laboratory testing, this product is proven to be 100% free from Bisphenol A (BPA). Compared to cheaper thermal paper alternatives, it maximizes your safety. Whether for adults or children, using it will be burden-free. The 8.5x11in thermal paper can be used for printing invoices, receipts, bills, homework, exams, and various monochrome documents. It requires no ink or carbon ribbon, making it simple and cost-effective.