In great condition, my little just didn’t like arms being up during the transition 93% Cotton, 7% Elastane EASIER TRANSITION FROM SWADDLING TO ARMS FREE SLEEP: Specially designed to provide the secure feeling of a swaddle while the zip-off wings allow a gentler and gradual move to arms-free sleeping. DESIGNED TO PRESERVE SLEEP ROUTINE & KEEPS BABY SETTLED: zip off wings allow for one arm to be free & the other swaddled, maintaining that familiar swaddled feeling. After a few nights, simply remove the remaining wing so both arms are free. This is an easy way to achieving arms free sleep while helping to preserve an established sleep routine. Once both wings are removed, continue to use as a sleeping bag providing the snug feeling baby is used to for longer-lasting use. SAFER SLEEP: Carefully designed with safety as a top priority. Swaddle Up stays on throughout sleep time, keeping your baby comfortable & feel secure with stretchy fabric that has a snug fit, without the need for blankets or loose layers SWADDLE IN SECONDS: Swaddle UP has one two-way zipper, no scratchy velcro, no fussy studs, just a super easy, convenient and simple to use swaddle in the middle of the night. The clever twin zipper means quick and easy diaper changes. SUPER SOFT & STRETCHY: The stretchy fabric moves with baby's body, providing comfort, but also has a level of resistance to ensure the optimum arms up snug fit across the torso to assist with self-soothing.