Instant film is a type of photographic film that allows images to develop and appear shortly after being taken. This technology was popularized by companies like Polaroid, which introduced instant cameras in the mid-20th century. The film contains chemicals that react when exposed to light, producing a physical photograph within minutes. The process involves taking a picture, which then ejects a film pack from the camera. As the film develops, it undergoes a chemical reaction that reveals the image. Instant film is known for its unique aesthetic, often characterized by soft colors and a vintage feel, making it popular among photography enthusiasts and artists.