Features: Product Type:?roman blind weight bar Material: fiberglass?flat bars Surface:?smooth white color Size: 20*4.2mm, 24*3.5mm, 28*3.5mm Shape:?3 meters or 6 meters or specific length Application:?roman shade weight bar,?roman curtain bottom rod Packaging: bundles or?pallets Advantages:? 1.Maintenance free and no rust, no rot2.Dimensional stability3.Electrically non-conductive4.Non-magnetic and non-sparking5.Low thermal conductivity http://www.gfrp-china.com/fiberglass-rods/roman-blind-weight-bar/non-metallic-fiberglass-bottom-weight-bar.html