Size:Small Color:Multicolored When accuracy minute details and preservation count the unparalleled archival quality of pigma micron pens makes them everyone's first choice. Artist writers and illustrators reach for pigma micron and know their work is safeguarded with the permanence of pigma ink. Experience smooth skip free writing and crisp ink colors that leave consistent lettering and lines every time. It has achieved universal appeal and is carried by technical professionals artists and crafters alike anthropologists entomologists scientists research laboratories archivists architects professional diamond cutters cartoonists manga and anime artists illustrators heirloom quilters and decorative fabric artists. Features archival quality ink for use in acid free environments chemically stable waterproof fade resistant no smears feathers or bleed through on most papers. Applicable for graphic art scrapbook archival recording pen and ink illustrations freehand art rubber stamps cartooning and fabric design. Technical qualities are archival quality pigma ink six point sizes no smear or feather when dry waterproof and chemical proof fade resistant does not bleed through most papers meets astm and acmi nontoxicity standard and not evaluated for cosmetic use on skin. Set contains 6 different pieces having nib sizes for precise line width are 005 01 03 08 Brush and gelly roll(white) respectively. Available in 6pieces per pack and black color