AN EASIER TRANSITION FROM SWADDLING TO ARMS FREE SLEEP: Our Baby Swaddle Wrap is an easy way manage this change while helping to maintain an established sleep routine. Swaddling has been around for ages as it helps to prevent the startle reflex.<br> DESIGNED TO PRESERVE SLEEP ROUTINE & KEEPS BABY SETTLED: Our BABY Sleep Sack allow for one arm to be free & the other swaddled, maintaining that familiar swaddled feeling. Once both wings are Turn over, continue to use as a sleeping bag providing the snug feeling baby is used to for longer-lasting use.<br> SAFER SLEEP: Carefully designed with safety as a top priority. Baby Swaddle Wrap stays on throughout sleep time, keeping your baby comfortably snug without the need for blankets or loose layers making it a safer option.<br> SWADDLE IN SECONDS: Baby Sleeping Bag With Arms has one two-way zipper, no scratchy velcro, just a super easy, convenient and simple to use swaddle that's perfect for any parent, grandparent or caregiver, even in the middle of the night. The clever twin zipper means quick and easy diaper changes.<br> SUPER SOFT & STRETCHY: The stretchy fabric moves with baby's body, providing excellent comfort, but also has a level of resistance to ensure the optimum arms up snug fit across the torso to assist with self-soothing. Baby Swaddle Wrap is perfect for any season!