ULTRA-FLEXIBLE SOFT TIP (0.5-4MM): Pressure-sensitive nib mimics a paintbrush—effortlessly switch from fine hair strands (0.5mm) to bold calligraphy strokes (4mm) without swapping tools
WATERPROOF & INSTANT-DRY INK: Opaque, streak-free formula dries in a few seconds, resists smudging and water damage on dark ceramics, leather, light fabrics, and outdoor surfaces
PRIME-FREE MULTI-SURFACE USE: Paint directly on paper, canvas, wood, glass, rocks, metal, and DIY crafts—no primers, no prep, just vibrant fade-resistant color
REFILLABLE & NON-TOXIC: Leak-proof design with refillable ink chambers + certified safe formula for studios, classrooms, and kids' art projects