12 Pack Dual Tip Brush Pens Set - TWO in ONE Water-Based Markers With Fine & Brush Tips. Perfect for Adult Coloring Books, Calligraphy, Illustration, Manga & Sketching. Non-Toxic and Odor Free! TWO BRUSH PENS IN ONE  Why settle for having to choose between a thicker based marker or a fine tip pen when you can have BOTH! With a 3.5mm Brush Tip that can be used to create a huge range of stroke thickness, fill and shade OR a 2mm fine point on the opposite end of each pen, our markers will have you well equipped to create anything you can imagine. QUALITY YOU CAN FEEL  Its difficult to create high quality artwork with inferior art supplies. We understand this, and have designed and manufactured our brush pens to the highest possible quality standards and backed that up with our money back guarantee. RICH, VIBRANT COLORS THAT JUMP OFF THE PAGE -- Unlike competing coloring brush pens, all of our art brush markers will produce bright, vibrant, saturated colors with every single use. 100% SATISFACTION WITH A MONEY BACK GUARANTEE  Buy with assurance. We back up our brush pens with a 100% money back guarantee. Were here to serve you, and our customers satisfaction is our highest priority. 100% NON-TOXIC, ACID FREE & UNSCENTED  Because our proprietary ink is water based, our markers are completely non-toxic and acid free. Unlike many other markers on the market that may contain acid, or be alcohol based, our markers have no odor at all. While artwork that you create using our markers may look good enough to eat, it's not recommended :)