Hardware stores sell 2 oz bottles for $4, or $8 for 4 oz. total if you bought 2 packages.
This says you get 4 of the 1 oz. size (4 oz. total) for $9. Either something wrong here or Woot is actually selling 2 oz bottles ( 4 packagrses then = 8 ozs.)
Not sure, but this stuff Works very well.
I’ve used it in 3 homes for friends and was able to seal all the entries after following the any trails.