About:Scientifically designed for self-soothing and sounder sleep. The gently weighted Zen Swaddle calms like your embrace by providing comforting pressure where babies are naturally held. This feeling of being held prevents startles, aids self-soothing, and results in deeper periods of sleep so essential for healthy development.Features: 2 swaddles in 1. Inner pouch and outer sack adapts to your newborn's growing needs. Helps them sleep through the Moro reflex. Can be wrapped with arms-in or out Eases swaddle-transition to the Zen SackSafety: Applies gentle pressure that is tested for breathing safety Adheres to all known CPSC safety requirements Tested for suffocation hazard, pulmonologist verified Hip-healthy. Does not hinder mobility