An excellent quality masking medium in the pen is a product dedicated to watercolor paints. It's a thick, latex substance with a slight color. Effectively protects the surface (watercolor paper) against water and paint.
A set of 5 watercolors in the Roman Szmal Aquarius cube. All Aquarius watercolors are well pigmented and are characterized by very high lightfastness, 100 years of durability with proper work exposure.
Watercolors in tubes are recommended for artists who prefer to paint intense, expressive color patches, because they can dose the amount of paint they mix with water themselves.
Renesans Intense Water watercolors have been tested for compliance with the highest quality standards in terms of stability, purity, solubility and light resistance.
A set of 12 watercolors in the Travel Aquafine cube by Daler-Rowney. The Aquafine line of watercolors in cubes offering excellent product quality at an affordable price.