The bags are pre-sterilized, so it is not necessary to wash them beforehand.
They are also very practical if you have little space, since they can be stacked on top of each other. In addition, its wide base provides the necessary stability to allow it to stand upright.
The side spout allows you to comfortably pour the milk into the bottle in a hygienic way, avoiding milk loss or spillage
With space so you can write down the date and the amount of extraction and with a zip closure to open and close easily.