Mommy Material Temperature Sensing Milk Storage Bags 30s

The Mommy Material Temperature Sensing Milk Storage Bags are pre-sterilised, BPA-free bags for collecting, freezing and transporting expressed breast milk — with an added twist: an embedded temperature sensor that changes colour to show whether the milk is too cold, too warm, or at the temperature the sensor indicates as ready for feeding. If you've ever second-guessed a warmed bottle or wanted a simpler way to read a bag straight out of the fridge or freezer, this is a milk storage bag that gives you a quick visual cue.

Each bag is designed to stand upright on its own, which makes filling, labelling and pouring easier and helps reduce the risk of spills while you handle it. A double-zipper seal closes the top for storage and transport, and the clear labelling area gives you space to note the date and volume — a small but genuinely useful detail when you're rotating a supply and want to use your oldest milk first. The bags come in a pack of 30.

How the temperature sensor works

• Colour-changing indicator: An embedded sensor on the bag changes colour to signal the milk's temperature status, so you get immediate visual feedback rather than relying on touch or guesswork.
• Three-way read: The sensor is designed to show when the milk is too cold, too warm, or at the temperature indicated as suitable for your baby — a handy check when you're warming a feed.

Made for freezer storage and easy handling

The bags are freezer-safe and compact, so they stack neatly and make better use of the space you have. Standing at roughly 12 cm tall, 9.2 cm long and 7 cm wide, they're built to slot in alongside each other rather than sprawl across a shelf. When freezing, remember that milk expands as it freezes, so leave a little headspace rather than filling a bag right to the top.

Hygiene and materials

Each bag arrives pre-sterilised and is made from BPA-free material, so it's ready to receive milk without extra preparation. These are single-use bags designed to be filled once — they're not intended to be washed and reused.

Best For

The Mommy Material Temperature Sensing Milk Storage Bags are a great option for parents who:

• Express and want a ready-to-use, pre-sterilised bag for freezing and transporting milk
• Like the reassurance of a quick colour cue when checking a feed's temperature
• Are building or rotating a freezer supply and want clear labelling for date and volume
• Need bags that stack flat and self-stand to save freezer space

They may not be the best fit if you:

• Prefer reusable bottles or pots over single-use bags
• Want a container you can feed directly from without transferring milk

Disclaimer: Storage times, temperatures and handling for expressed breast milk should follow your own healthcare provider's guidance and the instructions supplied with the product. The temperature sensor is a visual aid and does not replace checking a feed yourself. Guidance for premature or medically vulnerable babies may differ.