Generic Shipping Labels Compatible w/ Brother DK-1241 with ONE -1 reusable black cartridge (4" x 6"; 151mm*102mm) BPA Free (5 Rolls; 200 Labels per Roll) Label Lines International are the only two authorized re sellers of HouseLabels products.While there are some Amazon storefronts legitimately reselling HouseLabels product, most claim to do so but do not (many times 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 Dymo, Brother and Avery compatible products carry the HouseLabels logo behind it. If you receive product that does not carry such logo, please insist on returning it to the Amazon merchant for a full refund. Rest assured that when receiving a HouseLabels product, each element of the label (the face stock, the release liner and the adhesive) has been carefully selected and thoroughly tested to ensure that you receive a quality label. We back HouseLabels products with a 100% satisfaction guarantee. These labels are perfect for Many shipping uses and other home, Warehouse and office uses. 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 all general purpose labeling applications Each roll is individually packed into a protective black polybag and then placed in a mini-carton to protect it from dirt, sunlight and scuffing. 200 Labels per Roll | 4" x 6" | 151mm*102mm | White | Direct Thermal | Permanent Adhesive | BPA Free NOTE: Cartridges are not universal for every roll BROTHER P-touch Label Printers: QL-1050, QL-1050N, QL-1060N