Quality Prockey ink in a dual tipped marker. 0.4mm extra fine tip at one end and 0.9mm fine tip at the other. Permanent, waterproof, non-strike through and odourless ink, great for poster making, grading artwork, and sign writing. 10 colours including black, brown, violet, blue, light blue, green, yellow, orange, soft pink, and red.
Zart Art School Catalogue page: 27