A CD Marker is a specially designed writing tool used for labeling CDs and DVDs without causing damage to the disc surface. It features soft, non-corrosive ink that ensures smooth writing while protecting the data layer. With a fine or medium tip, it allows clear and precise marking, making it ideal for organizing, identifying, and categorizing discs in offices, studios, and personal use. Quick-drying and long-lasting, CD markers provide a safe and reliable solution for disc labeling.