Bluff Knoll 99 Luxury Curtain rod set is made of Aluminum Alloy material and has 28 mm diameter, 1.5 mm thickness. There are 6 colors for you choose. The surface is produced by Electrophoresis. Bluff Knoll 99 curtain rod is capable to support 40 kg curtains and could be used for more than 20 years. Believe in the simple aesthetics that less is more, delete all the anti-complex things, and create an extraordinary texture with simple lines. We only want to keep you the comfort you really need. This curtain rod set can make your room more beautiful, you will like it.