... , 22mm,25mm,28mm package: pvc box ,pet box details of curtain pole:1. material : iron, aluminum alloy , stainless steel,wooden2.diameter ... box, blister, shrink film, PVC box, plastic bag. details of curtain brackets:1. material : iron, zinc alloy, aluminum alloy2.for rod ... box, blister, shrink film, PVC box, plastic bag.details of curtain rings:1. material : iron, plastic2.for rod in diameter:13mm ...