Cocoon Swaddle Bag 0.2 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.
Size Guide
Cocoon Swaddle Bag
Please use your child's weight and height to find the most appropriate and safe size for them.
| ergoPouch Size
(same as size) |
Pouch Length (cm) | Child Weight (kg) | Child Height (cm) |
|---|---|---|---|
| 00000 | 47cm | 2-3kg | 50cm |
| 0000 (Newborn) |
52cm | 3-4kg | 55cm |
| 0-3M (000) |
60cm | 3-6kg | 62cm |
| 3-6M* (00) |
70cm | 6-8kg | 62-68cm |
| 6-12M (0) |
76cm (0.2/1.0 TOG) 80cm (2.5 TOG) |
8-10kg | 68-76cm |
*Previously size 2-6 months
^Metric Size Chart for ergoPouch Cocoon Swaddle Bag
Learn how to swaddle your baby for safety using the Cocoon Swaddle Bag
To comply with safety requirements, our Cocoon Swaddle Bags have a firm fit around the neck, shoulder and chest area to prevent your little one from slipping inside. You should be able to put 2 fingers inside the neck opening for the correct fit. Please do not size up to the next size until your child meets the weight requirement, for safety reasons.
See full size guide for all products
Imperial Size Chart for ergoPouch Cocoon Swaddle Bag
|
ergoPouch Size
(same as size) |
Pouch Length (inch) | Child Weight (lb) | Child Height (inch) |
|---|---|---|---|
| 00000 | 18.5" | 4-7lbs | 19.7" |
|
0000 (Newborn) |
20.5" | 7-9lbs | 21.7" |
| 0-3M (000) |
23.6" | 7-13lbs | 24.4" |
| 3-6M* (00) |
27.6" | 13-18lbs | 24.4"-26.8" |
| 6-12M (0) |
29.9" (0.2/1.0 TOG) 31.5" (2.5 TOG) |
18-22lbs | 26.8"-29.9" |
*Previously size 2-6 months
- Free delivery on orders over £65
- Estimated dispatch: 22 May 2026
- 30-day returns and exchanges
- Kelcy W.Verified Buyer3 minutes agoReviewingCocoon Swaddle Bag 0.2 TOG DaydreamRated 5 out of 5 starsPerfect for our little one!
We love this swaddle sack! Fits our 3 month old perfectly and isn’t too warm for our Texas spring nights.
- Krystal V.Verified Buyer1 hour agoReviewingCocoon Swaddle Bag 0.2 TOG Ocean BlueRated 5 out of 5 starsPerfect
It's getting warmer and this is the perfect size and weight for a sleep sack for our little one. I love it so much!
- Sabah F.Verified Buyer4 weeks agoReviewingCocoon Swaddle Bag 0.2 TOG Sweet OrchardRated 5 out of 5 starsGreat for warmer weather
Our baby loves these swaddles and will only nap if swaddled. This is perfect for warmer weather and day naps.