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3.5 TOG

Cocoon Swaddle Sack 3.5 TOG Willow

One swaddle, 3 ways to wear - arms in, hands up, or arms out. The only swaddle to grow with your baby's startle reflex.

4.8
Rated 4.8 out of 5 stars
3,600 Reviews
Regular Price
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  • Free delivery on orders over $70*
  • Estimated dispatch: 29 October 2026
  • 30-day returns and exchanges
4.8
Rated 4.8 out of 5 stars
Based on 3,600 reviews
Customers Talked About
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3,600 reviews
  • Aurelie S.
    Verified Buyer
    How old is your little one? Newborn 1-3 Months
    What is your relationship to the child? Experienced parent 1+ child
    What is your favorite feature of the Cocoon Swaddle Bag? Soft material, Convenient double-zipper
    10/12/26
    How old is your little one? Newborn 1-3 Months
    What is your relationship to the child? Experienced parent 1+ child
    What is your favorite feature of the Cocoon Swaddle Bag? Soft material, Convenient double-zipper
    Reviewing
    Cocoon Swaddle Sack 2.5 TOG Oatmeal Marle
    Rated 3 out of 5 stars
    Swaddles

    I first purchased another brand and was not satisfied with the quality so I decided to go with Ergopouch for better quality

    The 0-3 month swaddle was too small for my newborn despite her being only 4.75kg at time of purchase

    We then started using the 3-6 month swaddle and unfortunately now on 2 occassions her arms came out of the swaddle at night (buttons undid themselves)

    Was this helpful?
    EU Profile picture for ergopouch US
    ergopouch US
    10/23/26

    Hi Aurelie

    Thank you for taking the time to share your feedback with us. We're really sorry to hear that the cocoon swaddle you purchased didn't meet your expectations. That's certainly not the experience we want for you or your little one.

    You have raised some points regarding the cocoon sizing, and we appreciate you bringing it to our attention. For the cocoon to work as intended, it should fit quite firmly around the chest and shoulder area, with the arms tucked in snugly to mimic the swaddling effect. When the fit is correct, babies should not be able to wriggle their arms out.

    To help us better understand what's happening and to make sure your baby is in the right-sized cocoon, can you please reach out to our customer support team at cs@ergopouch.com.au. If you can kindly provide your order details and the details of your concerns, a customer support team member will assist you in troubleshooting or resolving this.

  • Gemma M.
    Verified Buyer
    9/18/26
    Reviewing
    Cocoon Swaddle Sack 2.5 TOG Willow
    Rated 5 out of 5 stars
    Beautiful and adaptable

    My 10 week old is sometimes an arms in and out baby. Depending on his mood. This is great to work with and you can even do one of each. The fabric is beautiful and soft and there’s plenty of length and room.

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  • Alice W.
    Flag of United Kingdom
    Verified Buyer
    How old is your little one? Newborn 1-3 Months
    What is your relationship to the child? Experienced parent 1+ child
    9/17/26
    How old is your little one? Newborn 1-3 Months
    What is your relationship to the child? Experienced parent 1+ child
    Reviewing
    Cocoon Swaddle Sack 2.5 TOG Daisies
    Rated 5 out of 5 stars
    Brilliant quality

    Love these pouches! Have been amazing for my premie baby to when she was still too small for standard baby sleeping bags!

    Excellent quality.

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