We are offering 15ml Permanent Marker Ink for writing purposes. It is a drum cartridge style ink and comes in medium size. This ink is made of sublimation ink and is black in color. It is a permanent ink and is ideal for use on any writing surface. The 15ml Permanent Marker Ink is manufactured with the highest quality materials and is designed to provide a long-lasting writing experience. It is water and fade-resistant, making it perfect for use on any surface, even outdoors. It is also smudge-proof and does not bleed through the paper. It is easy to use and provides a smooth and consistent writing experience. The 15ml Permanent Marker Ink is ideal for use in any writing application, such as writing on cards, envelopes, labels, and other surfaces. It is also great for making signs, labels, and posters. It is also perfect for use in classrooms, offices, and homes. We are a manufacturer and supplier of the 15ml Permanent Marker Ink and guarantee that it will provide you with a long-lasting writing experience. We are committed to providing our customers with the highest quality products and services.