Prismacolor Professional Art Marker Set 72 - Prismacolor Markers recognized by the industry for their high standard of quality, Prismacolor art markers offer an exciting new array of vibrant colors. You can now choose from an incredible spectrum nontoxic, non-fading ink colors featuring double-ended markers with both a broad nib and a fine nib and a single ink reservoir for perfect color match, The Prismacolor professional art markers are available in sets of 24, 48, 72, 144 and 156 piece sets. The Prismacolor Art Markers are certified as non-toxic by the “Arts & Crafts Materials Institute, and carry the AP NON-TOXIC seal.