Copic Markers C8-Sketch， Cool Gray<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Sketch markers - available in 358 colors and have 3 nib options</li><li>Refillable markers and replaceable nibs; compatible with copic air brush system</li><li>Alcohol-based ink is pemranent and non-toxic; dries acid free</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21dXtKvlplL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21AkhE-SHTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/319vHHCKCZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21wU038XxQL.jpg" noproxy>