Sennelier Masking Fluid Drawing Gum is a water-based masking fluid that can be used to protect areas of paper from watercolour, ink or gouache. The applicator tip makes it easy to apply precise lines of masking fluid and the fluid dries clear and can be easily removed with water. To use Sennelier Masking Fluid Drawing Gum with Applicator, simply apply it to the areas of paper you want to protect with a brush or the applicator tip. Allow the fluid to dry completely before applying your watercolours, inks or gouache. Once your painting is finished, you can remove the masking fluid by wetting it with water and peeling it away. Sennelier Masking Fluid Drawing Gum with Applicator is a versatile tool that can be used to create a variety of effects in your watercolour paintings. It can be used to create borders, patterns or to protect areas of paper from unwanted paint. It is also a great way to create white highlights in your paintings.