Bendable Bottle Brush, Nylon Body With Sponge,6 Piece-Pack

Wait... Would you actually use these to dust?Aren't there more effective items for that?Well, same for deep glasses.I got these to do deep glasses.Now, if the glasses were the same size as the brush, it would work out well, but most aren't, so... They suck.You have to use lots of pressure to get even a mild clean. It's just not worth the effort. Tried it, found I was wrong about it working well.And that's how you learn.They're not completely unusable.Just... Mostly.I haven't used mine again since the first few tries.

The foam pads don't stay on, great if you truly need a disposable bottle brush.

These are great for cleaning out my son's humidifier.I really wanted something bendable so that it could get into the turns of the humidifier tank. This works perfectly.