The masking medium distinguished by an excellent quality is a product dedicated to watercolor paints. It's a thick, latex substance with a light, turquoise color. Effectively protects the surface (watercolor paper) against water and paint. It allows you to create various types of details, sophisticated designs without the fear of unwantly painting the area with paint. The medium is applied directly to the paper with a brush, and then, when it dries, you can start working and paint over the area with paint. After the watercolors are dry, the areas covered with the product should be rubbed with a finger or eraser. Then the masking fluid will peel off, leaving clean, unpainted paper underneath. Do not leave the product on paper for more than a few hours, because it can irreversibly damage it during removal. It is not recommended to use masking fluid on wet or very soft paper. Do not dilute the product with water or any solvent. After finishing work, brushes should be washed in warm soapy water. The capacity of 85ml.