BIC 4 Colours Fun gives you 4 different fun colours of ink in the same pen, letting you switch between them as your work dictates so you can efficiently complete your writing tasks. The round lime green barrel contains 4 retractable points that write with lime green, pink, purple and turquoise inks. The 1.0mm points write with an elegant 0.32mm line width making this a great, versatile pen for home, work or the office.