PREMIUM QUALITY & ELEGANT DESIGN. Artistro Paint Pens utilize vivid, water-based ink that dries quickly to produce a very durable opaque and glossy finish on light and dark surfaces. MULTI-PURPOSE. Enjoy creating art projects on a variety of surfaces like rocks, stone, metal, pottery, treated smooth wood, plastic, canvas, fabric, paper, card stock, terra-cotta, polymer clay, and more! GREAT FOR DETAILING. Use our acrylic paint pens for drawing, fine line work & detailed DIY projects. Create stunning art for The Kindness Rocks Project, custom mugs and other personalized gifts for your loved ones.