The marker is filled with oil-based paint and at the top of the pen there is a pump so you can create pressure inside the marker

Each marker has two different

more pressure for broader strokes—while the nylon brush tip keeps its shape so you can draw smoothly in one sweep

vibrant coverage on both porous and non-porous surfaces

Perfect for rock painting

zig kuretake bimoji fude brush pen xt4 broad 1 0 5 0 mm multivariantcolorpicker The marker is filled withThe ZIG Kuretake Bimoji Fude Brush Pen, XT4 Broad is a Japanese made brush pen designed for precise, controlled strokes. Its flexible tip lets you achieve everything from delicate thin lines to slightly thicker accents, making it ideal for writing fine characters or detailed illustrations. It has a comfortable rubber grip that makes longer drawing or writing sessions easier on your hand. The pen uses water based pigment ink thats waterproof once dry,