Pack suitable for freezing and refrigeration, preserving nutrients and immune components of breast milk. - Brand: Kaneson - Use: For freezing and refrigeration - Contents: 9 bags - Features: Nutrients & immune components well preserved Kaneson breast milk bags are the most used in maternity hospitals and clinics. Double sterilization with inflation method & gamma sterilization. Safe and secure frozen storage bags. These are Kaneson breast milk bags, the most used in maternity hospitals and clinics. Easy sealing method by simply rolling up the header part. I purchased a pack of 10, used only one, and the rest are new and unused. Please understand that these are stored at home.