This Pentel EnerGel X pen features a transparent barrel with a soft rubber grip for comfort in use and a convenient retractable design. With revolutionary liquid gel ink, the EnerGel formula is quicker drying and smoother flowing than ordinary gel ink, giving a similar sensation to liquid ink. The 1.0mm tip writes a 0.5mm line width for general use at home, work, or at school. This pack contains 12 blue pens. Contains quick drying EnerGel Ink Popular everyday writing pen Contains 84% recycled material (based on total weight of pen excluding the ink) Broad 1.0mm nib Push button retractable nib Barrel colour matches ink colour Ink colour: Blue Pack of 12