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.
Winsor & Newton Watercolor block Cold-pressed high-quality natural white, medium-grain watercolor paper with 25% cotton content. Glued on the short side, it absorbs water well.
AQUARIUS watercolors are characterized by very high lightfastness - min. 7, which means a minimum of 100 years of durability with proper work exposure.