The marvelous Others : Better Noise Reducing Curtains photograph above, is a part of 7 Ultimate Noise reducing curtains blog post, which specifically classed as within Others category.
7 Ultimate Noise reducing curtains photograph Above Labelled as: curtain discussion, also noise reduction topic, in conjunction with blackout curtains discussion, so don't forget to check the main article 7 Ultimate Noise reducing curtains to read the whole story.