They can be cleaned and sterilized as often as you want. Ideal for storage in a refrigerator and chest-type freezer. And when you are out and about. Thanks to the washable labeling panel, the contents can always be marked with the latest date. 5 units per pack. Made in Austria. 1. FUNCTIONAL DESIGN The cups can be sterilized as often as necessary. Ideal for storage in the fridge or freezer - and for on the move. 2. EASY TO USE Thanks to the washable labeling area, the contents can always be clearly labeled with the corresponding date. 3. INNOVATION The cups can easily be screwed to the Manual Breast Pump. In this way, breast milk can be expressed directly into the cup and then hygienically stored.