HouseLabels 400 Sheets; 8,000 Labels, 20-UP, Shipping/Mailing Labels (4.0" x 1.0") -- BPA Free! Label Lines International, along with Amazon Vendor Central, are the only two authorized resellers of HouseLabels products. While there are some Amazon storefronts legitimately reselling HouseLabels' products, most do not (often resulting in customer dissatisfaction and negative reviews for a product that we did not even produce - an unfortunate quirk in the Amazon marketplace). All HouseLabels' brand-compatible products have the HouseLabels logo printed on the backside of the release liner. 20 Labels (20-UP) per Sheet | 4.0" x 1.0" | Blank White Shipping/Mailing Labels | Will not Curl | Permanent Adhesive| BPA Free Add barcodes to these versatile labels that work well with USPS, Click-N-Ship, Pitney Bowes Shipstream Manager Deluxe, eBay and PayPal and other popular shipping software. Guaranteed printer performance in HP, Canon, Epson and other printers -- either laser or inkjet Please read: LabelLines does not sell Avery-branded labels. "Avery Dennison", "Avery" and all other Avery-branded product names and SKU trademarks are trademarks of Avery Dennison Corporation. Avery Dennison does not sponsor or endorse any products made or sold by HouseLabels. Labels are smooth and bright white for professional results Labels are smudge-proof as well as water and oil resistant All temperature, strong permanent adhesive is excellent for cold temperature applications as well as general purpose labeling Sheets are packed into a protective polybags to protect them from dirt, sunlight and scuffing.