Abstract: A method for inspecting the packaging of a packaged product is presented wherein the packaged product includes a tray and a film enwrapping a product carried on the tray forming a packaging. The method includes providing a tray and providing a packaging film material which contains an additive for producing a high contrasting image under non-visible light when compared to the tray. The additive does not affect the spectral properties of the packaging film material in visible light. The tray and transparent film are illuminated with a non-visible light. The contrasting image of the tray and transparent film is viewed for determining the presence and configuration of the packaging. The configuration of the packaging is analyzed based upon a predetermined expected packaging profile and it is determined if the packaging is substantially similar to the predetermined expected packaging profile constituting an acceptable packaging.