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It holds 9 oz 260 ml, is fridge and freezer safe, and stores laying down or standing up. The bag uses a leakproof stopper with a silicone carry strap and can be sterilized by boiling or steam sterilizer.
Key Features
- 9 oz 260 ml capacity for expressed breast milk
- Fridge and freezer safe; store laying down or standing up
- Leakproof stopper with silicone carry strap for carrying
- BPA, PVC and phthalate-free
- Sterilize by boiling 3 to 5 minutes before first use
Details
- Capacity: 9 oz 260 ml
- Material: Food grade silicone
- Safety: BPA, PVC and phthalate-free
- Storage: Fridge and freezer safe; can be stored laying down or standing up
- Closure: Leakproof stopper with silicone carry strap
- Sterilization before first use: Boil in water for 3 to 5 minutes
- Cleaning and sterilizing: Steam sterilizer or boiling in water for 2 to 3 minutes; clean after each use
- Cleaning cautions: Do not use bleach-based agents or sterilizing tablets; do not use UV sterilizers
- Cleaning tools: Only soft bristle brushes or soft sponges; hard scourers may scratch
- Storage conditions: Store in a cool, dry place and avoid direct sunlight
- Warnings: Check product condition regularly; replace if damaged; adult supervision required; not a toy
How to Use and Care
- After expressing, pour milk into the bag and firmly push in the leakproof stopper
- To warm, place the bag in warm water
- Before first use sterilize by boiling 3 to 5 minutes
- Clean after each use; steam sterilize or boil 2 to 3 minutes
- Do not use bleach-based agents, sterilizing tablets, or UV sterilizers
- Use only soft bristle brushes or soft sponges to clean
Frequently Asked Questions
How much milk does this bag hold?
The bag holds 9 oz 260 ml of breast milk.
Is it safe for freezer and fridge storage?
Yes. The bag is fridge and freezer safe and can be stored laying down or standing up.
How do I sterilize the bag before first use?
Sterilize by boiling the product in water for 3 to 5 minutes before first use.
Can I use a UV sterilizer or bleach to clean it?
Do not use any bleach-based agents, sterilizing tablets, or UV sterilizers to clean this product.
What should I use to clean the bag?
Clean after each use with soft bristle brushes or soft sponges; hard scourers may scratch the surface.
All orders are processed and shipped within a maximum of 2 to 5 business days. Please note that this is an estimated timeline and does not constitute a guarantee, as national holidays and other external factors may impact final delivery and shipping times.
🚚 Free Shipping and Discount Clarification
For qualifying orders of $100 or more, the maximum available discount applied to your order is $30.


Soft, durable silicone is free from BPA, PVC, and phthalates, so you can store milk without single-use plastic. The material stands up to repeated boiling for sterilizing, preserving safety over many uses.

Wide opening and a leakproof stopper make filling and sealing quick, whether you pump or pour. The silicone carry strap keeps the stopper attached for easy transport and fewer spills.

Store bags standing or laying flat to maximize space, and stack multiple bags in the freezer for organized meal prep. The soft silicone conforms to shelves, helping you fit more with less bulk.
Pick a bag that fits your pumping, storage, and cleaning habits for less hassle and waste.
- Capacity needs: Match the bag size to your usual output, or to the amount you want pre-measured for feeds.
- Material matters: Choose food grade silicone or safe plastic that is free from BPA and phthalates to avoid leaching.
- Freezer strategy: If you freeze often, pick bags that lie flat for stacking to save space and thaw more quickly.
- Cleaning routine: Look for bags that open wide for easy cleaning and that can be boiled or steam-sterilized safely.
- Portability: A secure stopper and carry strap make transferring milk between pump, fridge, and diaper bag easier.
Is this bag safe for the freezer?
Yes, the Haakaa Silicone Milk Storage Bag is fridge and freezer safe and can be stored standing or laying flat.
How should I clean and sterilize the bag?
Before first use boil for 3 to 5 minutes. After each use, clean thoroughly and sterilize by steam or boiling for 2 to 3 minutes; avoid bleach-based agents and UV sterilizers.
Can I warm milk directly in this bag?
Warm the bag by placing it in warm water until the milk reaches feeding temperature, do not microwave directly.
How do I prevent leaks?
Firmly push in the leakproof stopper and check it before transport, and inspect the bag regularly for any signs of damage.
What is your shipping and return policy?
We ship from a US warehouse, offer free US shipping on orders over $100, and accept returns within 30 days; our human customer support is available if you need help.
How many bags should I buy?
Buy enough to cover your freezer rotation and washing schedule; many moms keep several on hand so you can store milk while other bags are being cleaned and sterilized.
G 5.0 on Google · 9 reviews · Verified buyer reviews from our store
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"I was lucky to find this pad for my grandson’s bassinet. I like how it is all natural snd organic. Just make sure to buy it a little bigger because it shrinks after washing. Also give ample time…"
"These helped at first but it seemed like the edges dug into my skin making it irritated (might have needed the larger ones). Once my milk came in more, milk would spill everywhere. I found that milk…"
"Perfect. Great price and my little one very opposed to training has only had accidents in the last week. My daughter is 2yrs old, 27 lbs and the Medium is perfect. She has room in them but the arent…"
"Initially, I was skeptical of using it, but when my doc referred it to me for my cracked nipple, it worked like a charm. I did not want to put any balm or lotion over my nipple as I did not wanted…"
"Amazing tool for breastfeeding! These protect sensitive, chapped or cracked nipples like little shields. No more sticking to clothing/bras and wincing when anything bumps into my chest. I've been…"
"I cant belive they heal hours within you put them on. Totally a must while breastfeeding. Such a good quality"
"I used these for the first four weeks after baby came. It was during that phase where baby was so small he didn’t have a great latch and so I was getting sore nipples. This was great for protecting…"
"Only paci my breast feed three week old has accepted so far🙌🏼"
"Worked great and would definitely use again. The only thing is sizing can be tricky. I would’ve gotten a size bigger and I’d consider my size to be on the smaller side. If you’re not sure, just size…"
"I wore these for the first two months and they truly saved my breastfeeding journey - worked exactly how I expected. They gave instant relief. I basically wore them day and night for the first 6…"
"Love these , I bought due to damage from pumping . One week with creams and balms didn’t do much but two days with these and I’m almost healed !"
"LIFE. SAVER. Bought this the first week I started nursing my son and had the WORST cracked nipples. These solved the issues OVERNIGHT!"
"We got floaties for our toddler and they are great! She loves swimming and these are so nice to have. Company is owned by a husband and wife and they are kind and…"
"I purchased a bat costume for my daughter with Moogco and we absolutely loved it! We used it for our daughters first Santa photos. They are a small business worth…"
"Ordered from here and they sent my items fast! Great quality!"
"High quality toys. Customer service is helpful and responsive. Will buy from this store again!"
"All of my dealings with them have been great!"
"Wonderful company to work with! Great product"
"great prices and fast shipping!"
"Wonderful products"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"
"Did the job, kept me more comfortable the first couple weeks postpartum as breastfeeding was established. Next time I would go for the design that has perforated holes for airflow."
"As a breastfeeding mom I truly couldn’t recommend these more. They literally SAVED MY LIFE in the newborn stage and then saved me again when teething started. They’re easy to use, easy to clean and…"
"This is a great item to have for breastfeeding mommas. It feels very cooling and refreshing after breastfeeding and makes wearing nursing bras very comfortable since the fabric is not rubbing on your…"
"These cups protect and help heal sore nipples so quickly. Comfortable under a bra, easy to clean, and worth the investment for breastfeeding. Stats: 5’3”, 140 lbs, 8 weeks postpartum & nursing"
"Great value for the price compared to name brand silverettes. I only really used them for maybe 2-3 weeks, so I’m glad I didn’t spend the extra money when these got the job done just as well"
"These are perfect for breastfeeding. They help keep any ointment or lanolin from getting on your clothes and smooth for immediate relief of cracks or nipple soreness in the first few weeks."
"Had a cracked nipple, added some organic ointment and put this over it, healed in 2 days! Recommend it 100%"
"These are great for nursing in the first few weeks when there’s soreness and breakdown. Would recommend!"
"These were wonderful for me postpartum while learning to breastfeed. Highly recommend. They are easy to clean & very functional."
"It saved my nipples multiple times. They’re super light. Quality is good, they do bend for no reason lol overall a good product."
"These were great in the beginning helped me so much."
"Any first time mama BUY THIS PRODUCT!!!! I cannot recommend and rave about this enough. They HELPED so so much! I wore them all the time when my nipples felt dry, cracked, and just hurt. Those first…"