These markers deliver smooth, precise lines on everyday office materials—whether you’re writing on paper, labeling plastic folders, or marking cardboard boxes for shipping. The quick-drying, smudge-resistant ink ensures long-lasting, waterproof results. With a durable, clog-resistant tip that also performs on dusty or slightly textured surfaces, and a cap-off time of up to 72 hours, they remain reliable and ready whenever you need them.