"I bought these for the rear windows to keep some sun off the dog. The best feature is you can actually fold them up and put them back in the bags when not in use - not like so many other popup items which you can't get back in their packs! So cheap for two blinds. Can't go wrong!"
"I bought two packs thinking that being this cheap there must have been only one in a pack, but this is actually a twin pack. The suckers are really good: I stuck those on my windows, and they never came out on their own in months. The blinds let you see through them (which I presume is a legal requirement for such products), which means that conversely they do not block the sun completely."