Breast milk storage bags allow you to express and store breast milk at your leisure and convenience. Ideal for: - On the go mom - Travelling use - A situation with no milk warmer   Your breast milk is super important to your baby. Anyone who tells you that there is no point crying over spilled milk has never spilled their own. It’s important to store your breast milk in the best breast milk storage bags so that they are safe for your baby and easy for you to use. ✅Designated write-on area: Can use any type of pen including a point ball pen ✅Thermal sensor: to indicate the optimum temperature of water for thawing ✅Double zipper: leak-proof protection ✅Stable standing bottom: Lay flat for storage, stable standing for easy handling and pouring milk ✅Baby-friendly material: Use BPA and BPS Free material. No plastic smell. Safe to thaw at 40-50 C of water ✅2 Reinforce seal: for hygienic purposes before you pour the milk in & out ✅It can be directly thawed in warm water / warmer to protect the nutrients and quality of the breast milk   How to use Thermal Sensor: Thermal sensor will indicate the right water temperature when you defrosting the breast milk in a bowl of warm water. It will indicates whether the bowl of water is too cold / too hot / ideal temperature to defrost(thaw) your breast milk. Replace the bow of water when it's already cold.   SPECIFICATION: SIZE: 3.5 Oz(100ml)/ 5 Oz (150ml)/ 7 Oz (210ml), 12 OZ / 350ML COLOUR: PINK, BLUE, PURPLE, GREEN QUANTITY: 25 BAGS PER BOX   TEMPERATURE SAFE FOR MILK 1. Room temperature (25C): up to 4-6 hours 2. Refrigerator (0-4C): 3-5 days ** Recommended not place on the refrigerator door as the temperature is inconsistent 3. Freezer (-18C): 3-4 months 4. Deep Freezer (-20C): up to 12 months   RECOMMENDATION: 1. Allow extra room at the top of your storage bag as breast milk will expand as it freezes. 2. Label the storage bag with the date & time. Always thaw the oldest breast milk. 3. Do not store breast milk at the door of the freezer or refrigerator to avoid temperature change.