This shower curtain rod is made of high carbon steel to ensure that the spring curtain rod has no drilling resistance to rust, wear and corrosion. Easy to clean and durable. When choosing an adjustable curtain rod, measure the length of your closet, cabinet, or kitchen window shoe rack first. The two non-slip rubber pads of the spring curtain rod are located on the end cover of each window tension curtain rod, which effectively prevents sliding and is suitable for walls of various materials. Twist the adjustable curtain rod to adjust the length to the desired state.Item Name: Tension Rod Main Material: Plastic, Carbon Steel Main Color: White Tension Rod Length(Adjustable Range): 40-70cm / 15.75" - 27.56" Fit For the Gap Distance Range: 42-60cm / 16.54" - 23.62" Weight: 780g / 27.51oz; Package Include: 5 x Tension Rods