This award-winning swaddle sack was created by Dr. Harvey Karp, America’s most celebrated pediatrician. Dr. Karp is the doctor whose 5 S’s started the Swaddle Revolution and he designed every detail of SNOO Sleep Sack with baby safety—and parent sanity—in mind.

SNOO Sleep Sack is the ultra-soft, ultra-easy swaddle sack that helps babies be happier and sleep longer!

• Made with 100% organic cotton
• SNOO wings that keep babies safely on the back…for all naps/all nights
• Special inner arm bands and leg flap keep even little Houdinis bundled all night
• Perfect for healthy, growing hips (International Hip Dysplasia Institute seal of approval)
• Extra-quiet Velcro, so light sleepers don’t startle awake with diaper changes
• Breathable mesh—at shoulders and legs—to reduce risky overheating
• Arm openings that are easy to unsnap for babies who prefer their arms out
• Double-zipper—opens from top or bottom—for easy midnight diaper changes

Small: 5-12 lbs

Medium: 12-18 lbs

Large: 18-25 lbs.