The spring loaded expander shower curtain rod is used for mounting between two  opposite walls. It is made from aluminum alloys.  Advantages of the spring rod: Multi-Function: Shower or bathroom, closet or wardrobe, in beauty salons, hospitals etc, as curtain pole (with lightweight curtains). SELF SUPPORTING : No Screws, nails, fittings, drilling or tools required. Installs in minutes. Rust resistant with epoxy coating, strong aluminum alloy construction, spring pressure locking tension with anti-skid pads for secure positioning. Size: 55cm to 90cm Colour: Material:aluminum rustproofstainlesstube with plastic end caps in matching colour Made in Europe Size: 55-90 Color: Chrome