... golden or customized 3.safety,good sliding iron curtain tube with various color Specification:1.Tube style:plain tube,three lines twist ... .Surface treatment:plating,powder coated,electrophoresis,painting or customized6.color:AB,AC,SN,SB,Black.White,golden or as ... a PVC bag, usually 20pcs together with woven or carton outside.2.Accessory packing in a canton iron curtain tube with various color