The mam storage pots are dual purpose and can be used for storing precious reserves of breast milk or food when weaning starts the pots have a washable labelling panel so your milk or food can have the latest date on set includes 5 x storage pots washable labelling area ensures flexible marking they can be cleaned and sterilised as often as you want the screw on lid makes them perfect to use when out and about perfect for fridge and freezer storing bpa free