【Dual Line Effect】With 24 vibrant metallic colors and a medium 2mm tip, these incredible self-contour markers write in shiny metallic silver and are surrounded by colorful borders. Waterproof, flexible, and durable. The ink has adhesion, bright and clear colors, beautiful lines, and is easy to write with. The unique technology automatically generates outlines to give you a beautiful two-tone effect.

【Easy to Use】First, shake the pen before each use to mix the ink well. Remove the cap and gently press the tip onto the paper for a moment until the ink flows to the tip. Close and store immediately after use for best results. Suggest writing on thick paper, otherwise the ink will bleed through thin paper.

【100% Safe, Non-Toxic】Glitter pens made from specially formulated safety standards, quick-drying, non-toxic, odorless, environmentally friendly. Water-based ink is chemically stable and lightfast. Our outline marker is suitable for all ages to use safely, suggest children use under adult supervision.

【Create Your Own DIY Crafts】With the shiny metallic color, you can create unique designs and fonts in no time. Glitter pens can be used to paint beautiful pictures, write birthday cards, Christmas cards, and create your own DIY projects. Add meaning to your birthday and Christmas cards, boxes, and photo frames, whatever you choose.

【Scope of Application】Suitable for art, school projects, crafts, crafting, painting, gift making, personalized mugs, rock painting, adult coloring activities, Christmas decorations, etc. Add fun to your birthday and Christmas cards, postcards, and photo frames.