A writing instrument barrel, comprising a body portion, which is generally tubular, and which has a hollow channel extending therethrough. It includes an inner surface, including a paint-adhering material applied to the inner surface for enabling paint to adhere thereto, and paint applied to the paint-adhering material on at least a portion of the inner surface of the body portion to form a painted inner surface. The hollow channel includes opposed ends and openings at the opposed ends thereof. The paint is able to be applied by a brush with paint on the tip thereof, which is able to be extended through the openings in the body portion.