Philips Avent Breast Milk Storage Bags provide safe and secure storage for your precious breast milk. They can be stored in the fridge or freezer and are pre-sterilized for immediate use. Pre-sterile and secure Freezer-safe with reinforced seams and dual layer bag Pre-sterilized bag with tamper proof seal Secure, leak-proof double zipper seal This bag is made out BPA free material Easy to use Wide opening for easy filling and pouring The sturdy design of this bag enables it to be self standing Bags lay flat for easy storage This item is a value saving bundle of 3 boxes of 50 milk bags eachl, total of 150 milk bags. Ultimate protection for your breast milk 50pc, 6oz/180ml breast milk storage bags Storage Pre-sterilized Secure, leak-proof double zipper seal Secure, leak-proof double zipper seal Secure, leak-proof double zipper closure for safe storage of your breast milk Pre-sterilized bag with tamper proof seal Pre-sterilized bag with tamper proof seal Tamper evident seal indicates the pre-sterilized bag is untouched before first use, for complete hygiene Freezer-safe with reinforced seams and dual layer bag Freezer-safe with reinforced seams and dual layer bag Reinforced side seams and dual layered material provide extra reassurance that your precious breast milk is stored safely in the freezer or fridge Wide opening for easy filling and pouring Wide opening for easy filling and pouring The wide and sturdy opening of the bag ensures easy filling and pouring of your breast milk Wide opening for easy filling and pouring Wide opening for easy filling and pouring The wide and sturdy opening of the bag ensures easy filling and pouring of your breast milk Bags lay flat for easy storage Bags lay flat for easy storage in freezer or fridge Specifications What is included:Bag 50 pcs 6oz/180ml Design Easy of use:Wide, sturdy opening Secure:Tamper evident seal Sturdy:Self standing bag Ultimate protection:Reinforced seams Dimensions Height:25.6 cm Width:9.9 cm Material: BPA free* PET/PE Features Leak proof:Secure, double zipper Material:Durable, dual layer bag Pre-sterilized Care instructions:The milk storage bags are intended for one- time use only. Thoroughly wash your hands before you fill and empty the milk storage bags. The actual amount of milk in the bag may deviate slightly from the level indications on the bag. Never refreeze breast milk or add fresh breast milk to already frozen breast milk. You can store the milk storage bag in the refrigerator for up to 48 hours (not in the door) or in the freezer for up to 3 months. Click here for product manual. FAQ How often can I use a breast milk bag?The breast milk bag is designed for one time use. Can I heat up the breast milk bag in a bottle warmer, boiling water or microwave?No, the breast milk bag cannot be heated in bottle warmer, boiling water or microwave. Which material is the breast milk bag made of?The breast milk bag consist out of two layers. The inside material is PE, the outside material is PET. How should I defrost the milk in the milk storage bag?To defrost breast milk overnight, place the milk storage bag in the refrigerator. To defrost breast milk prior to feeding, place the milk storage bag in warm water.