Winsor and Newton Art Masking Fluid with added pigmentation is perfect for masking areas of work needing protection when colour is applied in broad washes. Sections treated with Art Masking Fluid must be allowed to dry before overpainting. Once dry these areas remain protected and cannot be penetrated by colour. A liquid with added pigmentation For protecting areas of work when colour is applied in broad washes Composed of rubber latex and pigment For best results remove as soon as possible after application Brushes can be cleaned if washed immediately with water after use Winsor and Newton Art Masking Fluid 75 ml Bottle