Special Note: Latex can freeze during the winter months; take care when ordering from colder parts of the country;RD-407 is the highest quality casting latex available for mask making, prop making and slush molded prosthetic;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