The SNOO Sleep Sack by Happiest Baby is a game-changer for parents seeking safe and effective sleep solutions. Designed by Dr. Harvey Karp, a leading expert in pediatric sleep, this swaddling blanket ensures babies sleep on their backs, promoting healthy hip development. Crafted from 100% organic cotton, it is soft, hypoallergenic, and gentle on your baby’s sensitive skin. The unique inner flaps create a comforting, womb-like embrace, reducing startles and helping newborns sleep deeper for longer. Its extra-quiet Velcro closure prevents the baby from escaping, while the 2-way zipper makes nighttime diaper changes effortless and convenient.
  Perfect for parents who want to transition their baby to a crib with ease, the SNOO Sleep Sack offers a smooth and safe path to independent sleep. The special wings securely attach to the SNOO Smart Sleeper, keeping the baby in a safe position throughout the night. The breathable mesh design at the shoulders and legs prevents overheating, ensuring a comfortable and safe sleep environment. Whether you're swaddling a newborn or preparing for sleep training, this swaddle blanket is a trusted choice for families worldwide, combining science, comfort, and peace of mind in every detail.