I am selling these because I have a large quantity at my parents' house that I can't use up. Vivid red sign pens with clear, long-lasting color. Perfect for marking and studying. - Color: Red, Water-based, Pigment, Brush-tip MITSUBISHI uni Sign Pen Live - 23 pens Pentel Sign Pen - 4 pens Everything in the photos is included. These are used items. I haven't tested all of them, but I tested a few at random and they seem to work fine.