Features: High-quality bright white direct thermal paper. Direct thermal printing process, so there's no need for messy, expensive ink or toner cartridges. Office Labels compatible products are your best option for high-quality, affordable labels. The continuous-length paper tape can be widely used as a receipt Perper address for counter check-out or any business. Replaces: RD-M01U5 pos sale receipt paper Labels Dimensions: 4 inch x 115-5/16 feet (102mm x 29.3m) Color: White Compatible with brother label printer:RJ-4030 RJ-4040 TD-4000 and Zebra and other brand label printers KCYMTONER PROMISE: If you have any issues, contact us free and we will do our best to solve them for you. After continuous efforts and testing, we are very confident that we are selling the best label for you. Most of the other labels are thinner, so it can't be recognized by the printer and it very easy to be broken, also it has worse adhesive, and the printing results are awful. BPA Free: BPA (bisphenol A) is an industrial chemical that has been used since the 1960s. Certain thermal papers may contain BPA. The National Toxicology Program at the Department of Health and Human Services says it has some concerns about the possible health effects of BPA on the brain, behavior and prostate gland of fetuses, infants and children. Certifications include ISO 9000/9001/9004/19011: 2000 and more.