Crayola Washable Window Mega 4-Color Set Marker (58-8171) 8 unique opaque colors These crayons feature vibrant colors that work well on light and dark colored posters Made in United States 8 unique opaque colors Large size for quick easy coverage of larger surfaces Vibrant colors on dark or light poster board & paper Great for younger kids Works well with light or dark color poster board and paper Great for all glass surfaces Extra large nib for great coverage Brand New Item/Unopened Product Non toxic 4 color sets