“It´s a little hard to get into the bottle, you have to push a little.
Once it´s down in the bottle, it´s super easy to wash the bottle and it´ll be completely clean.”
“Good brush. The only minor drawback is that it is difficult to clean the top of the bottle, which is also where most of the "dirt" accumulates due to the dissolving of the cubes. But better than all the others that can be bought otherwise.”