Happiest Baby

SNOO Sack is the ultra-soft, ultra-easy swaddle that helps babies be happier and sleep longer—and it’s the only sleep sack that should be used with SNOO! Our award-winning swaddle was created by Dr. Harvey Karp, America’s most celebrated pediatrician. Dr. Karp designed SNOO Sack with special wings that slip onto SNOO’s clips to secure babies on their backs and prevent risky rolling…for safer, sounder sleep.