Premier Chisel/Fine Double Ended Art Markers by Prismacolor feature an innovative double-ended design - on one end a versatile chisel tip for thick and varied line and on the other a fine tip for detailed application. Premier permanent markers possess rich color saturation in an alcohol, dye-based ink for smooth, intense color laydown and superior blendability. Colors are compatible and consistent across the Prismacolor marker line. The ink formula is acid-free and non-toxic. The Premier Chisel/Fine Double-Ended Marker Primary and Secondary Set of 12 contains canary yellow, yellow orange, dark umber, carmine red, crimson red, pink, mulberry, violet, ultramarine, dark green, parrot green, and black.