The Cello Zapp Pastel Gel Pens have a 0.6 mm tip for fine writing. There are 20 blue ink gel pens and 5 black ink gel pens in this pack. These pens have rich looking ink for vivid visibility on paper. Available in 5 gorgeous pastel shades of body colour these gel pens are a must have for anyone who enjoys a fast and effortless writing experience. Not so secret bonus- it also comes in a resuable jar!