Winsor & Newton Watercolour Permanent Masking Medium 75ml

Description:

• A non-removable, water repellant liquid wax designed for masking specific areas of paper, making them resistant to water.
• When dry, the medium will repel superimposed washes.
• Excellent for detail.
• Apply directly to the paper or tint with small amounts of watercolour.
• Allow drying completely before overpainting.
• Quantity: 75ml