The most popular and well-known watercolors are available in tubes or cubes, while the Polish company Renesans offers innovative liquid water paints with a unique formula.
Ecoline is very easy to use and apply, perfectly adheres to the cardboard, watercolor paper. Water-based concentrate (watercolor) in liquid form in a handy round bottle with a wide neck and a pipette in the cap.
Micro rubber is a baked plastic (EVA), resembling a soft, flexible and pleasant to the touch foam. Micro rubber is available in sheets of 2mm thickness and 20x29cm. A large range of intense, nice colours to choose from.