Colourless Art Masking Fluid by Winsor & Newton
Colourless Art Masking Fluid by Winsor & Newton is a non-staining liquid made of rubber latex. This colorless fluid is used for masking out areas of art work that need protection from addition color applications. The liquid is not to applied on damp or soft-sized papers and should be removed as soon as possible after the application. Brushes should be washed immediately after they are used.
How to use Art Masking Fluid