Features: 1.00mm bullet tip,not easy to break ink, large capacity and high flow ink design to ensure a smooth and consistent writing experience. 2.The pen holder is made of high quality plastic, high strength, high toughness color body corresponding to color. 3.Replaceable refill design for increased writing endurance. 4.Round pen design increases pen and hand stickers, increasing the smooth flow of writing. 5.Added reflective wafer that is a good choice for black cardboard, handwritten newspaper, DIY photo album. specification: 1.00mm bullet tip,not easy to break ink, large capacity and high flow ink design to ensure a smooth and consistent writing experience. The pen holder is made of high quality plastic, high strength, high toughness color body corresponding to color. Replaceable refill design for increased writing endurance. Round pen design increases pen and hand stickers, increasing the smooth flow of writing. Added reflective wafer that is a good choice for black cardboard, handwritten newspaper, DIY photo album. : Color:As shown in the picture. Tip:1mm Bullet Tip Set Type:12 Pens(12 Colors)/16 Pens(16 Colors)/18 Pens(18 Colors)(Optional) Package List: 1 set of Fluorescence Pen