Unleash Your Creativity with SFSASO Professional Black Drawing Pens  The SFSASO 12-pack dual-tip brush pens combines precision and artistry in one versatile set. Whether you're an experienced artist or a beginner exploring creative hobbies, these markers deliver professional results across all your projects.  Why Choose Our Brush Pens?  Dual-Function Tips: Seamlessly switch between ultra-fine 0.4mm lines and expressive brush strokes for limitless techniques.  Archival-Quality Ink: Vibrant, fade-resistant black ink flows evenly without feathering—safe for kids and perfect for mixed-media projects.  Ergonomic Design: Lightweight barrels ensure comfort during extended use, whether journaling, urban sketching, or manga drawing.  Smart Storage Solution: The included clear case keeps pens organized and protected—ideal for travel or classroom use.  Endless Applications: ✓ Calligraphy & hand lettering ✓ Bullet journal embellishments ✓ Comic book inking ✓ Zentangle doodling ✓ School assignments & note-taking  Care Instructions: Always recap markers immediately after use to preserve tip moisture. For best results, store horizontally to maintain ink flow.  Package Includes: 12 x Black Dual-Tip Brush Pens 1 x Transparent Storage Case