➤ PERFECT FOR YOUR CREATIVE. Durable tip lasts even after writing on rough surfaces. Perfect for all uses: executives, teachers, kids, students at home, work, and school ➤ VERSATILE FINE TIP. These fine point markers are able to create thin lines for detailed works of art. Bright colors can create eye-popping and vibrant impression ➤ NO MORE SMEARS. Our ink pigment is made with smear-proof and quick-drying. This item is safe for use for the intended purposes and conforms to ASTM D-4236 ➤ FAST DRYING ON DIFFERENT SURFACE. Can be used on paper, metal, glass, wood, photos, coated paper, and even on rough surfaces ➤ UNLIMITED USES. Ideal for drawing, writing, coloring, scrap booking, doodling, detailed marks, and more. Ink is waterproof, smear-proof, and fade-resistant