The gently weighted Zen Sack helps your baby sleep through every sleep phase. Designed to help babies self-soothe and fall asleep independently, the Zen Sack eases the transition from swaddle to sack, and prevents sleep regressions and disruptions: An essential for sleep training.

Two-way zipper makes diaper changes a breeze
Zipper covers, cuddly seams and soft tags protect your babys skin
Can be worn backwards by tummy sleepers who can roll independently
Exceeds safety standards by 8x + Pulmonologist approved
Sizes from 0 to 24 months