Our tension curtain rod adopts high-grade carbon steel and comes with inbuilt strong spring, which features with wall-friendly non-slip rubber pad, adjust rod length and slim sleek shape. It has strong spring load offering powerful tension between walls to hold 2-3kg/4.4-6.6lbs-Weight objects with its inbuilt high elastic and durable spring. And it comes with 4 sizes (30cm/11.8in, 55cm/21.7in, 85cm/33.5in and 105cm/41.3in) with 4 retractable ranges (30-50cm/11.8-19.7in, 55-90cm/21.7-35.4in, 85-150cm and 105-190cm/41.3-74.8in) for you to choose the fittest size according to your needs, easy to install, removable, no tools, no drilling needed and no damage to wall.