Unipaint PX30 Uni Bold Paint White Colour Marker is high grade oil based paint markers designed to write on any surface without losing their vivid colour. Filled with a oil-based permanent paint makes it covers perfectly on almost all dark and light surfaces. Equipped with the 8 mm chisel shaped nib and the built in pump valve makes the paint flow perfectly. Filled with a oil based permanent paint Ideal for writing on almost any surface Equipped with the 8 mm chisel shaped nib Built in pump valve Makes the paint flow perfectly