Winsor & Newton Watercolour Permanent Masking Medium 75ml Brush Shape_Blender A drying oil for use

A drying oil for use with whites and pale colours

Versatile sizes: Accommodates a variety of canvas depths and frame profiles

Gloss level may vary depending on surface absorbency and application thickness

Two to three coats of Jo Sonja's Varnish will assist in preventing tarnish

Studio Clean-Up: Perfect for cleaning brushes

Winsor & Newton Watercolour Permanent Masking Medium 75ml Brush Shape_Blender A drying oil for useThis medium is used to mask specific areas of paper, making them resistant to water. It can also be mixed with water colours and is ideal for isolating areas of fine detail. Unlike Art Masking Fluid, Permanent Masking Medium is not removable.