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Freezing and Storing your Breast Milk

In order to properly store and freeze your breast milk, you will need Lanisoh’s Breastmilk Storage Bags or something similar. To maximize freezer space, you will also need a rectangular-shaped plastic storage container or bin.

Here’s a quick step-by-step guide on how to freeze your milk each time you express it. For tips on how to express your milk please visit our breast pumping tips page.

  1. Pump your breast like you normally would. For more information on that, click the link above.
  2. After you’ve pumped, label a breast milk storage bag with the date and the ounces of milk. Be sure to use the number of ounces that were indicated on the bottle and not the bag.
  3. Carefully pour the milk into the bags.
  4. Squeeze out all of the air and seal the bag. Make sure to squeeze out all of the air before sealing it. Also, use a bag with a double-zip top. It helps keep the air out which helps the milk to stay fresh.
  5. Lay the breast milk bag flat in the freezer. Keep it there until it has completely frozen. By freezing the bag flat, it makes it easier to store the milk for later on.
  6. After it’s completely frozen, store the milk upright in the rectangular storage box mentioned in the introduction. For added organizational benefits, organize the milk by date, keeping the older ones in front and the newer ones towards the back. Not only will you maximize space but the milk is readily available for easy access.

Donate, Buy and Sell Breast Milk at BreastfeedingMomsUnite

Donating or Selling Breast Milk? Register for a free account and then click "Post an Ad" at the upper right. Follow the on-screen instructions and your ad will be up and running in no time! Find out More »

Buying Breast Milk? Easily browse through our categories or/and ads and get in touch with breast milk donores, sellers & buyers via the contact form that pops up on the right of each listing! Find out More »

Why Sell Breast Milk on BreastfeedingMomsUnite?


  • BreastfeedingMomsUnite is the biggest global marketplace for human milk trade, and gives you maximum exposure whether you are a buyer or seller.
  • We walk you through the entire process, help you avoid mistakes and alert you of any unreliable buyers.
  • Cheapest & Best Value Ad Packages starting from $20 for ad in all categories!
  • Versatile Ads (such as 9 month advertising) increase selling potential, and allow you to continue selling your breast milk while waiting for the right buyer/price.

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