【RUST RESISTANT】Constructed of HEAVY DUTY SUS304 stainless steel with black finish, a durable material to protect against corrosion and rust. Designed with clean lines and a contemporary style, your bathroom is simple and fresh. Even holds mega rolls of toilet paper. The large stainless steel knob at the end of the bar prevents the toilet paper roll from falling out. hardware fittings are included in the package, you can enjoy the installation process, the installation instructions will help you greatly.