The wide mouth of the bottle allows for easier cleaning, and a built - in straw for easier drinking on the go. (treehugger.com)
If not, you can pump the milk into storage bags, and the wide mouth of the bottles makes it easy to pour in the milk later on. (thespruce.com)
At the same time, he leaned his head down to the rim on the left side of the bowl, swiveling his gaze to the right and looking up into the mouth of the bottle. (fieryfoodscentral.com)