Sharpie W10 Permanent Markers feature a chisel tip for a variable 1.5 - 5.0mm line width, with a bonded nib that can withstand heavy use. The low-odour ink resists water and is lightfast, for long lasting clarity. The marker also features a reflow ink system that prevents ink from drying out when uncapped for up to 10 days. This pack contains 12 black markers. Permanent marker for general use Reflow ink system: can be uncapped up to 10 days Low odour, water-resistant and lightfast ink Bonded nib for durability Chisel tip with variable 1.5 - 5.0mm line width Barrel colour: Black Ink colour: Black Pack of 12