Won't dry out! You can leave cap off up to 1/2 hour! Bold marking, permanent ink provides high visibility. Marks on virtually any surface, including cardboard, metal, and plastic. These markers are quick drying, water and rub resistant with a durable chisel tip that marks in a variety of widths.Details:Available in assorted colors3/16" broad chisel tip12 packs (12 markers per pack, 144 total markers)Quick dryingPermanent inkLow odorWater and rub resistant