FeaturesRetractable permanent markerWith safety seal to prevent ink from drying outPermanent ink marks on most hard to mark surfaces: glass plastic metal woodDurable 1mm bullet tipBlackGet the quality of a Sharpie Retractable Marker Fine (Pack of 12) with the convenience of a retractable pen. The quality, quick-drying ink produces smear-free results on almost any surface and a clever Safety Seal valve prevents the ink from drying up when retracted. This pack contains 12 black markers, each with a 1.0mm line width.