12 Colors / 24 Colors 0.5mm Ultra-Fine Nail Art Pens, with a Press-To-Ink Design, Quick-Drying, Waterproof, Fade-Resistant, High-Saturation Color Pigments for One-Stroke Coloring, Suitable for DIY Hand-Drawn Lines, Patterns, and Details, Beginner-Friendly, a Practical Tool for Nail Technicians and Enthusiasts to Create Personalized Nail Art.