Chromakey has been used in film & cinema productions as a tool to mix two or more images together in all aspects of the art. It is also increasingly used in photography with the advent of digital photography to cut & paste a subject onto a background. Lastolites new material is specially designed to be crease-resistant & is easily attached via Velcro. As & when the panel gets dirty, simply wash & your collapsible background is as good as new.