Copic Markers Multiliner Gray Pigment Based Ink， 4-Piece Set<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Pigment-based ink</li><li>Waterproof &amp; archival</li><li>Same high-quality ink and nib as our mulitliner sp's</li></ul></div><img src="http://ecx.images-amazon.com/images/I/418CkqvVlwL.jpg" noproxy>