a new structure restarted production of New55 100 and 400 speed instant 4X5 film sold through Famous-Format's online store . Toxicity The liquid chemicals for the developing process contained in the more common instant photo sheets are caustic and can cause chemical burns. If these chemicals come into contact with skin, they should be washed off immediately. See also Film format Photographic film Polaroid type 55 Instant camera References External links Information about Polaroid Pack film Non-Polaroid Instant Film, a summary of other instant film camera makers Music Video Shot Entirely on Polaroid Spectra Film A web gallery of instant photographers Polaroid-Art SX-70 Polaroid Art Gallery. Available Polaroid Film Integral, 4 × 5, 8 × 10, packfilm, cameras and accessories. Photographic film processes Film formats Instant photography