The original fiber tipped marker pen! Radiant, water-based ink produces expressive, fine lines. Bright and intense water-based ink is perfect anytime you put ink to paper. Snap-fit cap prevents the firm, durable tip from drying out when not in use. Perfect for general writing, drawing, doodling and adding character to any signature. Marker Ink Type: Permanent; Marker Tip Type: Bullet; Marker Tip Size (text): Extra-Fine; Marker Tip Size (numeric): 0.7 mm.