Marvy, Uchida, Le Pen, Felt Tip Pens, Dark Color, Medium Point, .3mm,10 Count Add color to almost any writing project with the Marvy Uchida Le Pen Dark Set. 10 vibrant colors in a re-usable plastic storage case. The case opens to create a stand for your Le Pens for easy access and storage while using. Le Pen has water based ink that dries quickly and is smear resistant, works great on most thinner papers, matches the color of the barrel, Great for journals, planners and all of your writing needs. Le Pens synthetic extra fine tip delivers a smooth, consistent solid line of color Le Pen 10 Pc Set Dark Fine Line Pen Black, Red, Blue, Green, Brown, Lavender, Olive Green, Dark Grey, Burgundy, Oriental Blue High Quality, Durable Synthetic Tip .3 mm Felt Tip Water Based Ink 10 Pc Set Quick Drying Smudge Resistant Great for thinner papers Re-usable plastic storage case