【High-Quality Ink】 MUG brand ink cartridges boast vibrant colors and high durability. In particular, the four colors of yellow, cyan, magenta, and black are available, improving the quality of printed materials. 【Compatibility】 These cartridges are compatible with specific printers and are easily replaceable. Specifically, the model numbers MUG-Y, MUG-C, MUG-M, and MUG-BK are listed. 【Convenient Packaging】 All cartridges are contained in a single package, allowing you to quickly take out and use the necessary colors. This makes printing operations smoother. - Brand: MUG - Color: Yellow - Color: Cyan - Color: Magenta - Color: Black - Model Number: MUG-Y - Model Number: MUG-C - Model Number: MUG-M - Model Number: MUG-BK - Model Number: MUG-BK - Model Number: MUG-BK I have opened the black cartridge, but it is unused. Thank you for viewing.