“Arrived quickly and so far there have been no casualties. However, the description says that they are invisible to humans but there are not. We can clearly see them on the windows which is why I've only given 4*.”
“These butterfly stickers are a little more obtrusive than I was led to believe from the advertising but they do look rather nice all the same. Whether they actually help prevent any more of the many bird-strikes we had this year only next spring will tell.”
