This pack of Instant Black & White Film for Polaroid 600-Type Cameras from The Impossible Project contains 8 sheets of instant black and white film. Each sheet of film has a 3.1 x 3.1" glossy surface image area. Full development will occur approximately 10 minutes after exposure when working in a temperature of around 70°F / 21°C. The film pack has a built-in battery that powers the camera and its flash.