Saying that, I'm thinking about a small spray bottle, just be sure to let it sit in the sun to thin up before using and after using, clean out the straw and spray head.
I found these in one of the chain auto stores near me for the same price...
12 oz. Mirror Glaze Dispenser Bottle
It works great. It lets out a tiny amount and fits inside of a large glass, perfect for running under hot water in the kitchen sink. It holds just a little bit less than the whole bottle.