Grumbacher Miskit Liquid Frisket Masking Fluid, 0.75 fl. oz. Bottle, 1 Each is for use on hard-sized watercolor papers, photos and other media. Use this bright orange frisket to mask areas that are meant to be painted once the dried frisket is removed. It washes out of pens and brushes with soap and water. Caution: contains natural rubber latex which may cause allergic reactions. Conforms to ASTM D4236. Made in USA.