Yep. Love 'em. They're great for those of us with "mature" eyes... who would otherwise be fumbling with binos all the time. And at the gravel pit, you can stick them to all sorts of things...
Yes, bigger cover-up stickers would be nice. So would more of them in the package.
"Once the writer in every individual comes to life (and that time is not far off), we are in for an age of universal deafness and lack of understanding."
(Milan Kundera, Book of Laughter and Forgetting, 1980)