Features: Vibrant Colors: 72 vibrant colors fineliner pens, no duplicates, which can meet different painting needs, accurate color, covering a variety of design professional application colors. Perfect for drawing lines details, painting, sketching, doodling, drafting, art projects, diary, journaling, planner, note taking, making marks, signature writing, etc. 0.4mm Fine Point: Large capacity and even ink output, smooth and comfortable writing. High quality pen tip, wear resistant and hard to break. Comfortable Grip Safety Use: Comfortable grip of the triangular pen conforms to the ergonomics. It can be painted for a long time without tiredness. Odorless and non-toxic, fun and safe. Safety air vent design, anti asphyxia pen cover, can breathe after swallowing by mistake. Well Package: A metal storage case has individual slot inside for every pen to store, so you can keep all your pens neatly organized and ready for use. Art Choice: Suitable for school students, office workers, artists, art enthusiasts, beginners, etc. Great gift set for Christmas, Thanksgiving Day, Birthday, Return School Day. Specifications: Number of Colors: 20/24/48/72 Colors (Optional) Material: PP Pen Lead: 0.4mm Pen Length: 166mm Pen Weight(1pc): 6g Package Size: 20 Colors: 21.5 * 19.0 * 1.5cm / 8.5 * 7.5 * 0.6in 24 Colors: 27.8 * 19.1 * 1.4cm / 10.9 * 7.5 * 0.6in 48 Colors: 28.0 * 19.4 * 2.5cm / 11.0 * 7.6 * 1.0in 72 Colors: 28.0 * 19.4 * 3.6cm / 11.0 * 7.6 * 1.4in Package Weight: 20 Colors: 170g / 6.0oz 24 Colors: 400g / 14.1oz 48 Colors: 660g / 23.3oz 72 Colors: 850g / 30.0oz Packing List: 1 * Fineliner Color Pen Set