Pack of 12 - 12 Piece Unique Mermaid Shape Rollerball Pen for Smooth Writing,4 Colors,3 Piece Each Color. Size: Length - 7.1 Inches (18 CM) ; 4 Colors:Blue,Green,Purple,Pink Ink Color - Black, 0.5 mm Fine Point ; Material - Hard Plastic Cute Mermaid Style ,Best Gift for Students, Classmates, School, Home or Office Supplies, Business, Birthday, Christmas, Hallowmas, Decoration, Stage Props,Special Occasions etc. Widely Used - Roller Ball Ink Flows Evenly with Clear Bold Fine Lines. No Fading or Skipping. Enjoyable Writing Experience with Ergonomic and Technical Design. Desk Decorative Pens with Multifunction Fashion Style. With a Comfort Grip and Suitable Size Cap Clip, Its good for Memo Writing, Drawing, Drafting, Signature, Calligraphy, Sketching, Doodle and Painting Tools, Advertising, DIY Craft Home Decoration.