I don't see how people can say these provide any privacy. At night, if you put these shades down, they provide no protection from people looking in. They're practically see-through. I thought the semi-sheer-ness would provide some privacy... but it does not. There are good for windows that aren't facing a road.. or in a bedroom, or anywhere where you don't want people to see into your house. 
They look nice, and all I am saying is: know they're practically see-through!