Vibrant 3D Ink Effects: Features a squeeze-controlled design and 1.0mm fine tip for smooth, dimensional strokes with every line. These 3D acrylic gel pens deliver bold colors and raised texture, perfect for detailed art and large-scale coloring alike Safe and Premium Quality: Made with water-based ink that is safe for adults and kids. Quick-drying, waterproof ink ensures vibrant, smudge-free lines on most surfaces, protecting your artwork from fading or smearing Ergonomic and User-Friendly: Designed for comfort during extended use, the soft grip reduces hand fatigue while the transparent barrel shows remaining ink. Each pen also includes a handy clip for easy attachment to notebooks, bags, or folders 36/54 Rich Multicolor Options: Includes 36/54 vivid gel pens that perform beautifully on both light and dark paper. Excellent opacity and layering ability make them ideal for black paper, enhancing highlights and depth in creative projects Wide Application Use: Great for adult coloring books, greeting cards, journal entries, scrapbooking, doodles, and DIY crafts. Suitable for use on black paper, wood, glass, and more—perfect for artists, students, and hobbyists alike