Review (3/5): They are okay, but I replaced them.
They ended up being too small for my application (dishsoap), and sometimes the would keep the indent from squeezing them and then wouldn't stand up properly. The cap seems secure, but that wasn't a big issue for me, since I wasn't using them for travel. I replaced them with more rigid 8 oz bottles with a disc flip lid, with which I'm much happier.