Ideal for crafting, design and illustration, rubber stamping, and so much more, Promarker allows you to easily overly and blend colors to create shade and tone. Twin tips offer a fine bullet tip for details and a wider tip for large areas. Alcohol based, quick drying, and non-toxic. ProMarker Blending Sets provide essential basic color selections. This package contains 12 markers, blending pen, blending chart, and convenient carrying case. Colors include: Henna, Ruby, Bright Orange, Canary, Lime Green, Forest, Sky Blue, Indigo Blue, Amethyst, Rose Pink, Cool Grey 4, and Black. Conforms to ASTM D4236.