The extendable shower curtain pole can be freely extended within an adjustable length range of 80-165 cm. The shower curtain rod has a diameter of 2.5 cm and can be used with most shower curtain hooks.The shower curtain pole is made of high-quality carbon steel alloy with a wall thickness of 0.6 mm, allowing it to easily support a weight of more than 5 KG. Additionally, the shower curtain rod has been treated with baking paint to effectively prevent rust. The ends of the tension rod are made of PVC, providing high friction and anti-slip properties. Furthermore, the use of a curtain rod holder can increase the load-bearing capacity by 5 KG and effectively prevent falls. The extendable shower curtain pole comes with built-in springs and requires no drilling.