For more than forty years U.S. Stamp & Sign has led the industry with a steadily growing list of innovative identification products. Their wide range of offerings include top quality stamps, business stationery, custom signage and much more for the home, office and small business markets. As the inventor of pad-free stamps, U.S. Stamp & Sign has helped both small and large businesses by providing easy-to-use products at an affordable price. U.S. Stamp & Sign Stamp-Ever Refill Ink is specifically designed for felt stamp pads only. This two pack contains 15 ml bottles of black and red ink. U.S. Stamp & Sign is proud to provide the professional tools to maximize everyday communication.