● The slide bar is made of brass which is sturdy and durable, making it ideal for humid environments. The adjustable handheld shower head holder is made of engineering grade ABS plastic material which is more solid, durable and long-lasting. ● The shower slider bar is 27.5 inches long and has a wide range to flexibly adjust the height to suit children and adults. It can satisfy family use, convenience and practicality. Screw installation is more sturdy and we provide all the screw accessories and installation instructions manual required for installation in the package. ● The height of the shower holder is easy to adjust by the button at the bracket. ● Modern square design , can fix with most bathroom settings. ● You can choose from optional materials such as brass, stainless steel and optional surface treatments such as chromed, matte black or Al color.