Winsor & Newton Water Colour Permanent Masking Medium – 75 ML Tomtoc They are known as "D"

They are known as "D" Ink bottle

Crafted with 1000 Denier Polyester on the outside and a soft polyester lining on the inside

Pack Content: 1 Lunch Bag

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Winsor & Newton Water Colour Permanent Masking Medium – 75 ML Tomtoc They are known as "D"Winsor & Newton Permanent Masking Medium is a non removable, water repellent liquid wax designed to protect selected areas of paper from watercolour washes. Once dry, it permanently resists subsequent layers, making it ideal for preserving highlights and fine details. Key Features: Permanent, non removable masking medium Repels water and overlaid watercolour washes when dry Ideal for detailed and precise masking work Can be applied on white paper or