... zinc alloy Size: 16mm, 19mm, 22mm,25mm,28mm details of curtain pole:1. material : iron, aluminum alloy , stainless steel,wooden2. ... , blister, shrink film, PVC box, plastic bag. Extendable pole:13-16 mm. 16-19mm, 25-28mm,28-32mmSize: ... blister, shrink film, PVC box, plastic bag. details of curtain brackets:1. material : iron, zinc alloy, aluminum alloy2. ... 'FCL, 50 days for one 40HQ metallic curtain Rods