One way shower curtain rod, there is a short spring with a steel sheet at the end of the inner rod, you can pull the inner rod out to the size you need, if it is too long, you can pull the inner rod out, and install it into the outter rod again. Material: Aluminum alloy, stainless steel Finish: PVC coated, shiny anodized, sliver anodized, polished Normal colors for PVC coated: White, gray, pink, light pink, blue, light blue, green, light green, beige, light beige Size: 70-120cm, 75-125cm, 110-200cm, 120-220cm, 125-225cm, 135-250cm, 140-260cm Dia: 22mm, 25mm Packing: Polybag, double clamshell, shrink wrap