Freezing and storing excess breast milk:Breastmilk Storage Bags are disposable bags made of food-grade plastic used to safely breastmilk storage expressed breastmilk in the refrigerator or freezer for later use.Disposable Milk Storage Bag should be used at work or ; for nighttime feeds Easy to Refrigerate:Milk Storing Bags for Breastfeeding can record the date and time of milking to help manage the sequence of breastmilk use and that babies are drinking fresh breastmilk Application Scenario:When breasts are full, use breast to collect excess breastmilk to build up a breastmilk inventory. Breastmilk bags can be used to store and transport donated breastmilk while meeting the needs of own baby Night feedings:To reduce the time spent preparing breastmilk for night feedings, mothers can express breastmilk in advance into Breastmilk Storing Bags and store them in the refrigerator or in insulated containers for quick nighttime use Saves time: For mothers who need to express milk, Breast for Feeding provide a convenient way to preserve mothers milk so that babies can still drink breastmilk in the absence of the mother Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.