Holbein Duo Aqua Water-Soluble Oil Color Studio Set of 20 20 ml Tubes<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Duo is compatible with traditional oil color and water based media. </span></li><li><span class="a-list-item"> Duo is a modern medium for the Artist， Acrylist ，Student， Teacher and is ideal for those painters who are sensitive or allergic to toxic solvents. </span></li><li><span class="a-list-item"> User Friendly Set : Duo eliminates the necessity of harsh and toxic solvents in the studio. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51XZPnB6MEL.jpg" noproxy>