A must-have for artists, these ready-to-use, refillable markers contain a water-repellant masking fluid that applies cleanly and rubs off easily, leaving no residue. Molotow's patented pump delivery system assures precise, mess-free application and sharp edges. Use Molotow Grafx Art Masking Liquid Pump Markers with your favorite Molotowmarkers, airbrushes, acrylic paints -even ultra-opaque, alcohol-based permanent inks. No brush required! Latex-free.