【ADJUSTABLE LENGTH】1*90-140Cm/35.4-55.1Inch Tension Rod, diameter 32mm.Please choose a curtain pole that is 10-15cm larger than your size. To make it easier for you to hang the curtain rings and slide them smoothly, it is best to fit curtain rings larger than 39mm in diameter. 【PREVENT BENDING】The extra-long pole is connected by sturdy springs with a fixed metal clasp, which can be easily adjusted to the desired length, preventing the pole from slipping due to spring back, and the middle part of the pole won't bend even if it is extended to an extra-long length. 【ANTI-SLIP AND ANTI-CORROSION】Using strong spring and high quality material, the surface is thickened and painted to ensure rust prevention. The shaft material is 0.8mm thick and will not bend. With 7.8cm silicone non-slip end, high friction to prevent slipping. 【EASY TO INSTALL】Extra long retractable rod is easy to install, no drilling required, the multi-functional rod can be easily adjusted to fit different sizes of curtains. Adjustable extra long design is suitable for various spaces such as living room, bedroom, bathroom, balcony and so on. 【GDEVKHN SERVICE】Provide peace of mind after-sales service. If you have any questions or are not satisfied with the rod, please contact us by email for after-sales service such as replacement or refund.