This is a pack of 2 sharpie cd marker pens, which are permanent marker pens used for writing on and labelling cds or dvds.sharpie cd marker pens write in black, permanent ink, with ap certified non toxic formula. The ink is water resistant and quick drying to prevent smudges and smears, and is ideal for simple, no fuss marking and writing on cds or dvds. With these marker pens, you'll always know what is stored on your discs.featuring a twin tip for added versatility, the double ended sharpie cd marker pen has both a fine nib, producing a 1.0mm line and an ultra fine nib, producing a 0.5mm line. This durable and hardwearing pen can therefore be used on both cds and jewel cases. These cd marker pens can write on almost any surface and can be used for posters, bold text, signs, photos and much more. Sharpie cd marker pens are ideal for everyday use in the home or office just remember not to write on the cd's data recording side! Pack of 2 black pens. 0.5 to 1.0mm line width