Product Features: -Intelligent Direct Liquid Ink Control System: Independent ink regulator reduces ink layering and makes ink dispense more evenly. -Professional Grade Acrylic Ink: Fine, highly pigmented pigments for high fidelity colour tones, strong coverage, long-lasting colourfastness, safe and odourless. -High elasticity soft tip: Made of nylon fibre, abrasion resistant and durable, the tapered point of the tip can draw fine lines, and the side down can brush thick lines and strokes, slowly applying the pen marks more evenly. -Applicable range: Paper, glass, stone, fabric, gook, plastic, plaster, wood, nail art and many other surfaces.