Philips Avent Breast Milk Storage Bags offer a safe and reliable solution for storing precious breast milk. Each bag is pre-sterilized for immediate use and features a tamper-evident seal for guaranteed hygiene. The robust design includes reinforced side seams and a durable dual-layer bag, making them freezer-safe and preventing leaks. A secure, double zipper seal provides ultimate protection during storage and transport. The bag's wide opening and self-standing base allow for easy, spill-free filling and pouring. Made from BPA-free materials, these 180ml/6oz bags ensure your milk is stored in a completely safe environment.