Type 40 film is a type of instant film used in Polaroid cameras, specifically designed for capturing images quickly. It was introduced in the 1970s and is known for its distinctive white border and vibrant colors. The film develops in about 10 to 15 minutes, allowing users to see their photos almost immediately after taking them. This film is compatible with several Polaroid camera models, including the Polaroid SX-70 and Polaroid 600. Type 40 film has a unique chemical process that creates a physical photograph, making it popular among photography enthusiasts and artists who appreciate the tangible nature of instant photography.