From the manufacturer:
Thick and rich in color, Jacquard's slow-drying pigment inks are formulated to sit on top of the paper surface, giving you plenty of time for blending and embossing. As an archival, fade resistant and acid free ink, ColorPad pigment inks are an excellent choice for artwork and keepsake projects. Specially formulated for shelf-life longevity. Dry time depends on the type of paper. Cleans with water.
Archival, Acid Free & Non-toxic
Slow-drying pigment ink, excellent for blending and embossing
Exceptional shelf life