Impossible's brand new PX 600 Silver Shade Instant Film. Astonishing monochrome material in a limited First Flush Edition. Optimized for the use in traditional Polaroid 600 cameras.Note: Images of this film cannot be returned as part of the LLP Compensation Program.First Flush Film is experimental material that will produce changing results depending on light conditions and temperature. Pictures may change even weeks or months after exposure. Early batches of these first flush edition films may have some peculiar characteristics, such as white dots and/ or an undeveloped patch in the picture area.