Double Line Pens Set – 8/12 Colors Metallic Self-Outline Markers for DIY Art & Cards

Elevate your creativity with the ultimate "Magic" pen set. These Double Line Outline Markers feature a unique self-outline technology that automatically generates a vibrant colored border around a shimmering metallic silver center in a single stroke. Whether you’re a hobbyist or a professional artist, these pens add an instant 3D-effect to any project, from custom greeting cards to vibrant graffiti art.

🎨 Key Features

• Unique Double-Line Effect:
  Advanced ink permeability technology creates a metallic silver line with a colorful outer glow.
• Vibrant Color Selection:
  Available in 8 or 12 high-pigment, shimmering colors that pop on white and light-colored paper.
• Smooth & Durable Tip:
  Equipped with a 2mm medium fiber tip that ensures a steady ink flow and prevents skipping or smearing.
• Multi-Surface Versatility:
  Perfect for journaling, poster making, rock painting, DIY photo albums, and holiday card designs.
• Safety First:
  Made with non-toxic, odorless, and eco-friendly water-based ink, making them safe for kids (ages 3+) and adults alike.

📏 Size & Quantity

• Variants: Choose between 8-color or 12-color sets.
• Tip Size: 2mm Medium Round Tip.
• Packaging: Convenient clear storage case for easy organization.

Quick Usage Tip: To get started, shake the pen with the tip upward, then press the tip onto paper 2–3 times until the ink flows. Always recap immediately after use to keep the ink fresh!