The Ebelbo Pump and Store Breastmilk Storage Bag Set includes 20 pre-sterilized storage bags and two pump adaptors, letting you pump directly into the bags to save time and reduce cleanup. BPA-free and designed with reinforced seams, these bags are safe for both the freezer and fridge, and each holds up to 5oz of breastmilk. Mama, this set makes milk storage simple and efficient, giving you more time to focus on your little one.