... Size 2. One set including (Choice 2): Extendible Curtain Rod(1). Extendable pole diam: 5/7mm,8/10mm,13/16mm, ... Choice 3): Double Curtain RodDouble -rails are also available Packing: PET/PVC clear box,Blister with card,double blister, ... Shrink film,color boxes,cartons,8-12sets/carton. adjustable curtain pole,curtain accessory,curtain rod ,curtain track,pole,curtain rail ...