ephotoinc 5' x 7' photo collapsible chromakey green blue background 2 in 1 backdrop panel t57bg ephoto this portable 5' x 7' chroma key background provides an easy to carry reversible blue or green screen chroma solution for video or still production. the lightweight steel spring frame twists and folds into its own small storage case, ready for opening flat as a background in a snap. it folds down to 27" diameter for easy storage and location <br /> <br /> package including: one twist background (one side blue, one side green)