Disposable, retractable pens in blue, black and vivid colors. This Tixx pen contains a hybrid ink that is a combination of oil based ballpoint and gel. The result is a fast drying, smudge free ink with a two year shelf life. The pens are sold individually. Also available in one box of 12 pens of one color. A 50 pen, pop-up assortment of the vivid colors is also available.