95% Viscose from Bamboo, 5% Spandex.
Sack wearable blanket replaces loose blankets in the crib that can cover your
baby’s face and interfere with breathing. In addition to helping your baby sleep
safer, the Sleep Sack wearable blanket helps your baby sleep better, too. It is
a warm cuddly blanket they cannot kick off; ensuring baby sleeps soundly
throughout the night.