The spiral watercolor block contains 30 sheets in A3 format with a weight of 280 g / m2. The paper is a white, medium-grained texture (cold-pressed), made of cellulose. It does not contain any acids, thanks to which it is completely environmentally friendly. Thanks to its high-density properties, you can work with different types of water-based paints without having to worry about moisture. The paper is able to completely absorb moisture and reveal watercolor colors. The paper is ideal for artists and painting students. The block is suitable for outdoor work. The cardboard background can be easily used as a stand.