Jaypro Sports fold up divider curtains are both economical and reliable. -Accordion style folding action is accomplished by cables running vertically through grommets as the bottom tube is raised. -Smooth folding action is achieved by a 1HP direct drive winch. -Virtually invisible in the raised position, the curtain is mounted to the building structure. -Center line drive shaft spreads weight of curtain over entire length of curtain for proper alignment, appearance and safety. -Constructed of heavy duty 18 oz. reinforced vinyl and 9 oz. vinyl coated polyester mesh.