Features: brand new and high quality FOUNTAIN PEN INK. Universal ink bottle, 3 classic colors: Black; Blue; Dark Blue. 20 Volume. Very suitable for students, boys, girls, teachers, beginners writing. MULTIFUNCTIONAL. Fit for most fountain , calligraphy , glass dip , antique quill , feather , etc. SMOOTH, QUICK DRY. High graded ink, write smoothly, quick dry, no fading, not clogged, waterproof, and very durable. Plastic ink bottle, lightweight, anti-leaking, portable. WIDE SCOPE OF APPLICATION. Non-carbon ink ensures good flow characteristics to lessen clogging. for Ideal for calligraphy practice, greeting cards, art signatures writing, wedding innovations, thank you letters, business papers/files signing, art illustrations, products design, DIY drawing/graffiti, etc. ESSENTIAL OFFICE STATIONERY. Not only of children, students, teachers, adults, artists, designers, home and school, also suitable for office staff. Specifications: Capacity: Approx. 20ml Material: Plastic＋Ink Ink Color: Black; Blue; Dark Blue Bottle Size: Approx. 6x3x2.5cm/2.36x1.18x0.98in Packaging Weight: Approx. 30g Package Includes: 1 Piece Fountain Pen Ink Bottle note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!