White-framed Instant Colour Film for Impossible I-Type Cameras from The Impossible Project. Contains 8 sheets of instant colour film that use an innovative colour protection formula. This formula gives the photos saturated colours, and a high level of detail and sharpness. Each sheet of film has a 3.1 x 3.1" glossy surface image area. Full development will occur approximately 20-30 minutes after exposure when working in a temperature of around 70°F / 21°C.