Zebra Sarasa Clip Gel Ink .5mm Brights 8pc- These pens feature water based pigment ink that is acid free and water resistant for a long lasting impression. A great pen for everyday writing, scrapbooking, and artists. Fast drying, non-smearing ink. Unique push clip attaches easily to thick pockets and book covers. Colors include: red, orange, pink, yellow, green, light blue, bright blue, and purple.