Cristal® Xtra Bold Ball Pen is the smoothest and boldest Cristal® ever, featuring a 1.6 mm ball point for extra smooth and extra bold writing! Black, blue, red and green feature Easy-Glide System®, BIC's exclusive ink system technology, for smoother writing and a more vivid line. Each pack includes 24 pens in assorted colors. Sold as 3 packs for a total of 72 pens.