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 Warm Grey Colors (subject to change): PM98 (3 Black), PM99 (10%), PM100 (20%), PM101 (30%), PM102 (40%), PM103 (50%), PM104 (60%), PM105 (70%), PM106 (80%), PM107 (90%). Prismacolor #3623 Premier art markers are made in the USA.