Material: Plastic
Inner Dia.: 42mm
Outer Dia.: 70mm
High quality of ABS plastic, never get rusty, nice finishing, no colour fading.
Built-in nanoscale silencing ring, to smoothly slide on curtain rod and protect the rod with low noise
Great accessory for window curtain rod, window curtain ring, shower curtain ring, locker room door curtains ring, DIY backpack hole bag ring