30 PCS/Pack Breast Milk Preservation Freezer Bag 300ml Disposable Breast Milk Storage Bag Features: Made of PE material: more durable and safer for baby. Every piece of the storage bag was pre-sterilised, can be put in use readily. Flat design, will not occupy much space, ideal for refridgerator / freezer storage. Self-standing bottom: Allows the bags to stand upright. Transparent design: more convenient e.   Specification: Material: PE Color: Transparent Capacity: 300ml Quantity: 30 pieces Application: enabling mothers with too much milk or working mothers to storage their milk, or to carry their homemade juice, fruit puree, complementary foods, etc. Product size: approx. 25 * 10cm / 9.8 * 3.9inch Product packaging size: approx. 12.5 * 11 * 4.5cm / 4.9 * 4.3 * 1.8inch Package List: 30 * Storage bag Breast milk storage time recommendations and precautions Breast milk type Storage method Storage temperature Storage time New extruded breast milk At room temperature 15℃ 24 hours 19℃-22℃ 10 hours 25℃ 4-6 hours Thawed breast milk Refrigerator freezer 0℃-4℃ 8 days 24 hours New extruded breast milk Refrigerating compartment ≤0℃ 2 weeks Separate refrigerator freezer ≤0℃ 3-4 hours Constant temperature freezer ≤19℃ 6 months