EUC The Zen One transitional swaddle and sleep sack perfectly adapts to your baby's needs - designed to help babies self-soothe and get sounder sleep. Cuddle-pad mimics your touch Improves sleep in a few nights* Adapts as your baby grows Mimics your touch for continuous comfort Two-way zipper for easy diaper changes without waking baby Removable sleeves allow for arms in or out Mesh sleeves promote thumb sucking and keep baby dry Inner band provides a secure, snug fit to calm startle reflex Made from 95% breathable cotton and 5% spandex. The mesh sleeves are 68% nylon and 32% spandex. Contains food-grade polypropylene beads. TOG 1.0, ideal for year-round comfort Machine washable (cold cycle) & dryer safe (low heat) Lightly padded to mimic the warmth of your touch Applies gentle pressure no more than a human palm or car-seat chest clip Passes mandatory children's product tests Hip healthy. Does not hinder mobility