The Roland Magenta S-pg-mg Ink Compt W/ BY-20 is a genuine/original ink cartridge manufactured by Roland. It comes in a unit quantity and is covered by a 1-year manufacturer warranty. This ink cartridge is specifically designed for use with the Roland BY-20 model printer and produces high-quality prints in a vibrant magenta color. Perfect for professionals and individuals looking for reliable and consistent printing results, this ink cartridge is a smart choice for anyone in need of top-notch printing supplies.