A pack to make 10 large format black and white photos with a glossy finish. For use with an 8x10 camera, Polaroid film holder and processor. Images begin to emerge within 5-10 minutes at 70F (20C). 640 ASA Film Speed. Storage Temperature 34-45F (1-7C). 8 x 10 inch (18 × 24cm) is our largest format instant film, producing photos with incomparable clarity and detail. Professional photographers use the format to achieve results not possible on any other type of film.