Quick Facts
Two food grade silicone sealing discs convert Haakaa Gen. 3 silicone bottles into airtight storage for breast milk, liquids, or snacks.
Best for
Owners of Haakaa Gen. 3 silicone bottles
Key detail
100% food-grade silicone
Consider if
Consider alternatives if you do not have Gen. 3 bottles
Shipping
Free US shipping over $100, 30-day returns
Turn Your Bottle Into a Leak-Free Storage Cup
Snap on the Gen 3 sealing discs to store breast milk, snacks, and liquids, airtight for safer fridge and travel storage.
Turn Your Bottle Into a Leak-Free Storage Cup
Soft, Food-Grade Silicone
Soft, Food-Grade Silicone

Made from 100 percent food-grade silicone, the discs are gentle, flexible and designed for safe contact with breast milk and food. Close-up design shows the thin, even seal that helps keep contents fresh.

Seal and Go Convenience
Seal and Go Convenience

Snap a disc into place and the bottle becomes a grab-and-go container for pumping, snacks, or expressed milk. The leak-proof seal keeps feeds secure during errands or travel.

Easy to Clean and Sterilise
Easy to Clean and Sterilise

Safe in steam sterilisers and boiling water, the discs are simple to sanitise between uses. Inspect regularly and replace any disc that shows damage or excessive discoloration.

BPA Free Materials
Made without BPA, PVC or phthalates for safer feeding.
100% Food-Grade Silicone
High-quality silicone that resists tearing and forms a secure seal.
Leak-Proof Seal
Creates an airtight barrier, ideal for fridge or on-the-go transport.
Sterilise-Friendly
Safe for boiling and steam sterilising, avoid bleach and UV sterilisers.
How to Choose a Sealing Disc

Picking the right sealing disc is about compatibility, care, and having spares when you need them.

  1. Check compatibility: These discs are made specifically for Haakaa Generation 3 silicone bottles. They will not form a proper seal with other bottle types.
  2. Think about how you use it: If you transport milk or use bottles for snacks, choose discs as a simple way to prevent leaks and keep contents fresh.
  3. Plan for cleaning: The discs are safe for steam sterilisers and boiling. Avoid bleach-based cleaners and UV sterilisers, which can reduce lifespan.
  4. Decide how many to buy: Buy extras so you can rotate through cleaning cycles, and keep a spare in your pump or diaper bag for emergencies.
  5. Replace when needed: Inspect discs for warping, tears, or loss of seal. Replace immediately if they no longer form an airtight fit.
Frequently Asked Questions
Will these discs work with other bottles?

No, these sealing discs are designed to fit Haakaa Generation 3 silicone bottles and may not seal correctly on other bottles.

How should I clean and sterilise them?

Clean after each use, then steam sterilise or boil for 3 to 5 minutes. Do not use bleach-based agents or UV sterilisers.

Are the discs leak-proof during travel?

Yes, when seated correctly they create a leak-proof, airtight seal suitable for fridge storage and travel.

When should I replace a sealing disc?

Check regularly and replace if you see any cracking, tearing, warping, or if the disc no longer seals tightly.

What are your shipping and returns policies?

We ship from a US warehouse, offer free US shipping on orders over $100, and accept returns within 30 days. Human customer support is available if you need help.

From the Moogco Baby Journal
The Essential Guide to the Best Breast Milk Storage
By Eda Ulger , Moogco Baby Editor and mom of two · Updated May 2026 Storing breast milk safely is all about your timeline. For short-term use, clean bottles or bags in the refrigerator are perfect for up to 4...
Read the guide →
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