... painting iron curtain ring,iron curtain loop 1. rod:single and double;extensible material:iron,resin,acrylic ... ,aluminum alloy,plastic,crystal diameter:matching with curtain rod plating finishes or painting finishes 3.bracket:single ... ,zinc alloy,aluminum alloy diameter:matching with curtain rod plating finishes or painting finishes 4.ring:material ... ring,iron curtain loop,iron curtain accessories