Winsor & Newton Colourless Art Masking Fluid
A colourless liquid for masking areas of work needing protection when colour is applied in broad washes. Specifically designed for soft sized papers to avoid staining.
Composition :- Rubber latex. For best results remove within 24 hours of application.
Brushes can be cleaned if washed immediately with water after use.
DO NOT use your best brushes for masking fluid as it will gum them up and once it dries inside the bristles will ruin them irreparably