AMERICAN MAILING SOLUTIONS INC. offers a high quality, low cost alternative to OEM postage supplies. Our products are manufactured in state-of-the art facilities and go through rigorous quality assurance testing. These products are fully compatible with the most popular postage meters in use today. Our ink is specially formulated and meets and/or exceeds all USPS requirements, will not void your printer warranty. . AMERICAN MAILING SOLUTIONS INC. products are exclusive! Other companies do not sell our products. To be assured of the quality be sure it is sold and shipped by AMERICAN MAILING SOLUTIONS INC.,