Pebeo Drawing Gum Masking Pen 4mm The Drawing Gum marker allows for easier masking and more precise application with very fine strokes High precision for covering areas of reserve on watercolour, ink or diluted gouache work. Ideal for crisp and neat continuous applications: drawing, finishing, writing, effects and more. Shake before use. It is recommended to clean the tip regularly after using the marker by removing it from the base and washing it in warm water. A spare tip is provided in the cap. Store horizontally for proper storage. 4 mm tip. Distance travelled with the marker: approx. 120 metres. Brand: Pebeo