Adjustable length curtain rod for hanging curtains more easier | Extension length from 15.7 to approximately 27.5 inches, ½ inch diameter, recommended length for optimal performance is 16 to 26 inches | Easy application: No tools required, expands by simple twist, provides consistent tension for a long-lasting, tight, secure fit assured by non slip plastic rubber end | Wide use: For shower curtains or hanging curtains in window, closet, cabinet or doorway | Backed up service. Contact us before or after purchase for any question