Pens with a waterproof, quick-drying pigment ink that will not feather or bleed through even the thinnest papers. Inks are smear proof once dry and fadeproof against sunlight or UV light. Colors remain vibrant and are permanent and washable on cotton fabrics. New with a plastic nib provides skip-free writing in popular Pigma colors. Set comes with one each of Black, Red, Purple, Rose, Sepia, Blue/Black.