Features: Quick-drying: this rolling gel pen with tip and smooth writing colorful ink, the rollerball ink dries quickly that help you keep work neat and organized, will great to meet your demands Smooth flowing ink: these 0.5mm ballpoint pens with built-in ink output regulator, smooth gliding ink for skip-free writing, which can ensure liquid ink flowing evenly that give you smoothly writing experience Wide usage: colour pens are suitable for using in class, marking different word and do some important note, special color marker which is a great gift for office, company, students, etc. Ballpoint pen to sketch, draw, color, doodle, write and get creativity in a fun and skilled way; Greeting cards, party invites, letter to friend and family, arts and crafts, decoration Specifications: Material: Plastic Weight: 12g Size: As picture shows Color: Black/Red Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Gel Pen