... alloy & zinc alloy Size: 16mm, 19mm, 22mm,25mm,28mm details of curtain pole:1. material : iron, aluminum alloy , stainless steel, ... zinc alloy, aluminum alloy, plastic , resin ,wooden, crystal2.diameter: for the rod 13mm,16mm,19mm,22mm,25mm,28mm,35mm3.surface dealing ... clear box, blister, shrink film, PVC box, plastic bag.details of curtain rings:1. material : iron, plastic2.for rod in diameter:13mm ...