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Product Description
100% Organic SNOO Sleep Comforter Sack 
SNOO Comforter Sack keeps babies warm during nippy nights and naps—without risky loose blankets! Made with a super-soft 100% organic cotton shell that’s filled with 100% recycled insulation, SNOO Comforter Sack safely adds warmth when babies need it.




When using the SNOO sack with the baby’s arms in, it helps prevent the startle reflex and keeps the baby’s arms snugly wrapped. This can provide a sense of security and promote better sleep.


If you prefer to have your baby’s arms out or if your baby shows signs of wanting more freedom of movement, the SNOO sack can also be used with the arms out.
Every Detail Designed by America’s Top Pediatrician 

Not only does swaddling mimic the snug embrace that sleeping babies love in the womb, it also prevents wild hand movement that can startle little ones awake, keeping your baby safe, happy, and well-rested all night long.
3 Colors Available 




SNOO Sack helps babies sleep better and safer by mimicking the cozy embrace of the womb and keeping them securely on their backs in SNOO. SNOO Comforter Sack is our warmer, cold weather sleep sack that has a Thermal Overall Grade (TOG) rating of 2.0.
Meet SNOO Comforter Sack: Specially designed to be used in SNOO Smart Sleeper, SNOO Comforter Sack helps babies sleep safer, longer, and happier! And because SNOO Sack was created by world-renowned pediatrician Dr. Harvey Karp, you can trust that every detail was designed with baby safety and parent sanity in mind!
Warm, Cozy & Safe: Keeps babies warm during nippy nights and naps—without risky loose blankets! Made with a super-soft 100% organic cotton shell that’s filled with 100% recycled insulation and a Thermal Overall Grade (TOG) rating of 2.0, SNOO Comforter Sack safely adds warmth when babies need it.
All the Features You Love: SNOO Comforter Sack still has all the other features parents love about our original award-winning baby sleep sack, such as patented wings that secure babies on their backs in SNOO; snug inner bands that keep babies tightly wrapped; and shoulder snaps that allow arms-out sleeping.
Speedy Two-Way Side Zipper: Our handy two-way zipper makes late-night diaper changes a cinch, and it’s positioned to the side to let parents easily layer SNOO Sack over any outfit.
More Infant Sleep: Our baby swaddle sleep sack prevents startles and boosts babies’ sleep quality with special inner flaps that give the snug embrace your little one loved in the womb. Plus, its arm openings can unsnap to allow for arms out, making it a great transitional swaddle for moving to the crib.

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