<b>The Original Set of Unique 36 Dual tip brush Marker Pens</b><br> <p><b>Value Twin Pens Set with High Quality Package</b><br> Broad Tip: 1-6 mm; Fine Tip: 0.4 mm. Both are perfect for precise highlighting and underlining. So We don’t have to buy two set of colored pens when we get this Tanmit 36 dual tip pen set.</p> <p><b>Superior Quality </b><br> Our manufacturer have been working on colored pens, markers, fineliners for many years. They select top quality ink, long lasting and super smooth as well as the most suitable tip size for customers.<br>Our aim is to let every art lovers own an abundant coloring/sketching set to to your project. </p> <p><b>Important Notes:</b><br> 1.Please shake the dual pens before first using and after a long time using.Keep the pen straightly in order to make it run smoothly.<br> 2. For optimal performance please ensure the marker caps are secure when they are not in use.<br> 3. Please do not pull the cap directly and roughly, since the different air pressure inside and outside the caps may lead the ink to leak out.</p>