Guangna 13-Color / 25-Color 0.5mm Ultra-Fine Nail Art Pens, with a Needle Tip That Produces Smooth Ink Flow, Water-Based, Waterproof, Quick-Drying, High-Saturation Pearlescent/Metallic Colors for One-Stroke Application, Suitable for DIY Hand-Drawn Lines, Patterns, and Details, Compatible with Multiple Materials, a Practical Tool for Nail Artists and Enthusiasts to Create Personalized Nail Art.