Specification: Product name: Fineliner Drawing Pens Material: plastic Size: 135 x 10mm Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. Package Including: 12 x Fineliner Drawing Pens [12 Black Drawing Pens] This set contains 12 pens for all your art making needs. From 0.2 mm to 3.0 mm, plus a drawing pen tip. Perfect for drawing and writing. Line width and cap sizes: 0.2mm (005), 0.25mm (01), 0.3mm (02), 0.35mm (03), 0.40mm (04), 0.45mm (05), 0.5mm (08), 0.55mm (10), 1.0mm (1), 2.0mm (2), 3.0mm (3), Brush (BR). [Fast Drying] High quality ink ensures smooth writing, fast drying, no bleeding, no smudging of your sketches, fade proof, sun proof, non-toxic, odorless and durable. The ink will be waterproof when it is completely dry. This process usually takes a few seconds. [Smooth and Durable] The nib is made of high quality nylon. The high quality different nib sizes (needle medium thickness and burr) allow you to write extremely smoothly on paper, whether you are an artist or a beginner, you can use it easily. To protect the ultra-fine nib, do not press hard on the nib when using it. [Widely Used] Compatible with pencils, watercolors, alcohol markers and any other pens. Great for artists, designers, writers, architects, illustrators and calligraphers. Great for journaling, bible underlining, comics, sketching, animation, writing, doodling, drafting, notebooks, notes, drawing, etc. [Ideal Gift] Comes with a beautiful plastic box for easy storage. This is the perfect gift for family, neighbors and friends. Suitable for Christmas, birthday, Mother's Day, Easter, Valentine's Day, Thanksgiving, party, New Year, anniversary, Halloween, etc.