What kind of pen should I use to write on the CD?

The pen used to write on the CD depended on the specific use and requirements. Here are some suggestions that might be useful: Highlighters: Highlighters can paint a unique color on the surface of the disc to make it easier to find. They are usually more durable than other pens and can leave a lasting mark on the disc. 2. Black pen: A black pen is usually a universal choice to leave a permanent black mark on the disc. If you want to write more precisely, you can consider using a fine pen or a pen. 3. Colored Pen: Colored Pen can create different colors and patterns to make the CD more interesting and eye-catching. If you want to write more carefully, you can consider using colored pens or colored pencil. Laser pointer: A laser pointer is a specialized pen that can be used to write on a CD. A laser pointer uses a laser beam to write words or images on a disc. This method can leave a permanent mark on the surface of the disc. However, the use of the laser pointer needed to be carried out in a safe environment to avoid laser leakage and accidental exposure. Choosing the right pen depends on the specific needs and uses. If you want to leave a permanent mark on the disc, you can consider using a highlighter, black pen, colored pen, or laser pen.