Staedtler 10014318 Fineliner Drawing Pens .3mm Neon 6 Count Triplus Fine Line, 6-Pack, Assorted The pens feature metal-clad tips that deliver a line width of 0.3Mm for those intricately detailed doodles They have an ergonomic triangular shape that gives a comfortable grip and relaxed writing These triangular fine liners come with water-based ink that can be washed off many textiles With a stand-up box for convenient use, the Staedtler fine liners have a pp barrel for long shelf life, and these pens can be left uncapped for days but their ink won't dry The pack contains an assortment for 6 bright neon colors