InterDesign York Constant Tension Shower Curtain Rod &ndash; extendable 50&rdquo;-87&rdquo;, Large, Polished/White SLEEK & MODERN: Contemporary polished steel and white curtain rod  adds a smooth, clean accent. ADJUSTABLE TENSION: The extendable Curtain rod is secured with patented technology  no slipping. RUST RESISTANT: Rustproof, corrosion resistant stainless steel and plastic  strong and reliable. NO HARDWARE, NO DAMAGE: Quick and easy to install, just twist and fit! Ideal for rental properties. THE INTERDESIGN PROMISE: Bringing you elegant, affordable home products for over 40 years.