Prismacolor Premier double-ended art markers offer a kaleidoscope of vibrant color choices. Choose from an incredible spectrum of nontoxic, non-fading, ink colors. Unique 4-in-1 design creates 4 line widths from one double-ended marker. SET OF 12 Cool Grey Colors (subject to change): PM98 (3 Black), PM108 (Cool Grey 10%), PM109 (Cool Grey 20%), PM110 (Cool Grey 30%), PM111 (Cool Gray 40%), PM112 (Cool Grey 50%), PM113 (Cool Grey 60%), PM114 (Cool Grey 70%), PM115 (Cool Grey 80%), PM116 (Cool Grey 90%). Prismacolor #3622 Premier art markers are made in the USA.