Premier Double Ended Art Markers contain an alcohol, dye-based non-toxic ink. They are double-ended and available in a palette of 200 brilliant colors to add life to just about any project. Premier Illustration Markers contain an archival quality, lightfast, non-toxic ink and are available in fine, chisel and brush tips and 8 colors. They’re great for detailing, lettering, making borders and creating textures and outlining shapes.