The Monster Makers RD-407 (Bat Black) Mask Making Latex (1 Gallon) Special Note: Latex can freeze during the winter months; take caution when ordering from colder areas of the country RD-407 is the highest quality casting latex available for mask making, prop making, and slush molded prosthetics Popular among many special effects artists, RD-407 can be brushed or poured into gypsum molds The Monster Makers RD-407 features a quick skin build-up, excellent detail reproduction and a fast demold. RD-407 can be painted with adhesive based paints or Monster Makers Mask Paints RD-407 comes as a naturally viscous material that yields a stretchy but durable rubber upon curing