These ProMarkers are made with professional quality dyes for a smooth, streak-free finish and can be applied liberally to paper without damaging the surface. Each permanent marker features twin tips; the fine nib for precise coloring and details and the broad nib for large color fills. These versatile markers work on a wide rang of surfaces, ideal for fine art, mixed media and more! The translucent colors can be blended for an almost unlimited palette, while single colors can be layered for added depth and shade. Includes the following colors: V626 Amethyst, XB Black, R946 Bright Orange, Y367 Canary, CG4 Cool Gray 4, G356 Forest Green, O225 Henna, V234 Indigo Blue, G178 Lime Green, M727 Rose Pink, R455 Ruby, B137 Sky Blue, and BL Colorless Blender. Certified non-toxic and conform to standard ASTM D-423.Details:Includes assorted colors13 markersDouble-ended fine and broad nibsAlcohol based inkNontoxicCertified ASTM D-423