Adjustable Vertical Backdrop for Indoor Groups - by Corps DesignIndoor winter guard and indoor percussion show props have their own unique issues. The standard size is 5' wide x 10' high. However, it collapses quickly to 6' 6" and can be re set just as quickly to full height so that you can roll it under a standard gym door with the center bar removed. The casters are non marring thermo plastic rubber to protect the gym floor and your tarp. The flag holders keep your flags vertical and immediately accessible while