Versatile usage: Dual line outline pens perfect for coloring, drawing, doodling, and writing. Safe to use: High-quality ink for smooth and consistent writing experience. Easy to use: Easy activation with a gentle shake to ensure continuous ink flow. Enough quantities: There are 8/12/24Pcs pens in a set. Vibrant and unique colors to enhance your artwork. Great gift idea: Ideal gift for artists, students, and anyone who loves creative expression. Description: Introducing our dual line outline pens, the perfect addition to any artist's collection! With a variety of unique and stunning colors, these pens are designed to add color and creativity to your artwork. Whether you're coloring, drawing, doodling, or writing, our high-quality ink ensures smooth and consistent lines without any skipping or clumping. Simply give the pen a gentle shake to activate the ink flow and start creating! These pens make an ideal gift for artists, students, or anyone who enjoys expressing themselves creatively. Item Name: Outline Pen Material: Plastic Specifications: 8/12/24 Colors Pen Tip Shape: Round Tip Features: Portable, Multi-colors, Quick Drying Size Details: L: 13.2cm/5.2", W: 1.2cm/0.47" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 8 Colors: 8 x Outline Pens or 12 Colours: 12 x Outline Pens or 24 Colours: 24 x Outline Pens