... alloy Size: 16mm, 19mm, 22mm,25mm,28mm details of curtain pole:1. material : iron, aluminum alloy , stainless steel ... 60"-120"Details of curtain finials:1. material : iron, zinc alloy, aluminum alloy, plastic , resin ,wooden, crystal2.diameter: ... , shrink film, PVC box, plastic bag. details of curtain brackets:1. material : iron, zinc alloy, aluminum alloy2 ... , 50 days for one 40HQ metallic curtain Rods