We start with superior raw materials consisting of: (a) high quality direct thermal paper (80G/M2), (b) Removable acrylic adhesive, (c) white glassine release paper (60G/M2), (d) superb whiteness, and (e) water, grease and rub resistance. Labels are produced using the latest technology and undergo numerous quality control checks. Our certifications include ISO 9000/9001/9004/19011: 2000 and others. HouseLabels meets or exceeds OEM manufacturer specifications. Our labels will not damage your Brother P-Touch QL print head. We use state of the art glue technologies which conform to our stringent standards. Our labels are produced in a clean environment and each roll is immediately packed first into a protective polybag to protect it from dirt, sunlight and scuffing. All HouseLabels products are BPA Free. BPA (bisphenol A) is an industrial chemical that has been used since the 1960s. Certain thermal paper may contain BPA. The National Toxicology Program at the Department of Health and Human Services says it has "some concern" about the possible health effects of BPA on the brain, behavior and prostate gland of fetuses, infants and children. Notice: HouseLabels does not sell Brother-branded labels. "BROTHER", "P-Touch" and all other BROTHER-branded product names and SKU trademarks are trademarks of Brother International Corporation. Brother International Corporation does not sponsor or endorse any products made or sold by HouseLabels.