You can combine two layers of curtains, one thick and one thin, using the double rod.
The length is adjustable.
Please refer to packaging label for country of origin
The combination comprises 3 packages of wall/ceiling bracket, 3 packages of curtain rod holder, 2 packages of curtain rod and 1 package of finials (2 in the package).
All parts are sold as separate articles in IKEA stores.
Max. load of the thick curtain rod is 10 kg and the thin curtain rod 5 kg.