These acrylic inks from Daler-Rowney are excellent for dip pens, technical pens and airbrush. They are pigmented, non-clogging, extremely lightfast, waterproof colors which will bond to glass, leather, ceramic & wood, as well as paper & coated envelopes! OK for fountain pens, clean after use. 1 oz bottles. Colors below are approximate but are not exact matches to the true ink colors.