Amazon.com: Drawing Gum, Changeable Refill Masking Fluid Marker Pen White Covering for Watercolor
Having Trouble with MASKING FLUID
Amazon.com: Pebeo Drawing Gum - 2 Pack 45ml Liquid Latex Artist Masking Fluid for Easy Mask and Peel on Mixed Media, Modern Art Painting, Professional Drawing, Gouache, Watercolor Paint Projects with E-book :
WATERCOLOUR MASKING FLUID - Pebeo DRAWING GUM - Blue - 45ml – WoW Art Supplies