... spring expanding curtain wire 2, color : white , red , bule , yellow 3. Package : plastic bag , rolller , color box 4mm pvc spring ... expanding curtain wire with boxSteel spring wire coated with PVC, used for curtains ... customer requirement Packing: PVC/PET box, then in carton Style4mm pvc spring expanding curtain wire with boxColorWhite 4mm pvc spring ...