20 Pieces 250 Milliliter Pre Sterilized Breast Milk Storage Bags Leak Proof Fresh Sealing Freezer Safe

• Made of high-quality LDPE and PET material, no BPA, which makes it environmental-friendly, safe and healthy to use. • They are sterilized and it is very healthy to store and freeze breast milk. • Double leak-proof sealing strips for secure storing and easy closing and opening. • It can vertical stand or flat in the refrigerator after been filled with breast milk. And it won't occupy much space, which is very convenient. • The exterior of the storage bag is designed to conveniently record the date, time and volume of breast milk storage, and the blue colored data is for clear and fast reading.