Cocoon Swaddle Sack 1.0 TOG Dragonflies
A secure, multi-functional swaddle and sleep sack in one, designed to be worn for sleep from birth.
Size Guide
Cocoon Swaddle Sack
Please use your child's weight and height to find the most appropriate and safe size for them.
Imperial Size Chart for ergoPouch Cocoon Swaddle Sack
|
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
Learn how to swaddle your baby for safety using the Cocoon Swaddle Sack
To comply with safety requirements, our Cocoon Swaddle Sacks 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
Metric Size Chart
| 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
- Free delivery on orders over $70*
- Estimated dispatch: 19 March 2026
- 30-day returns and exchanges
- Jayci U.Verified Buyer3/7/26ReviewingCocoon Swaddle Sack 1.0 TOG DragonfliesRated 5 out of 5 starsMust have!
We LOVE these sleep sacks so much. They are so soft & comfortable and wash well.
- Abigail K.Verified Buyer2/22/26ReviewingCocoon Swaddle Sack 1.0 TOG DaisiesRated 5 out of 5 starsBest place for my baby to sleep!
So much easier to make sure my baby was wrapped up and safe every night
- Helen K.Verified Buyer2/13/26ReviewingCocoon Swaddle Sack 1.0 TOG DragonfliesRated 5 out of 5 starsGift for upcoming grandchild
Great , safe option for baby sleep.
