www.amazon.com — The 2-in-1 sleepsack swaddle allows you to swaddle from birth, but also allows you to move the swaddle feature down for arms out. Stay-fixed velcro loops secure swaddle to wearable blanket for optimal performance and peace of mind T’s the only product that carries seals from leading SIDS organizations in both the United States and Canada, iparenting award winner and hot award winner, nappa gold award winner 2008 innovation award for consumer safety from the home safety council Sleeveless design allows for ventilation and reduces the risk of rebreathing into sleeve, reduces the risk of rebreathing (the inhalation of carbon dioxide), which has been associated as a possible cause of sudden infant death syndrome Generous sack design allows room for kicking, but can?t be kicked off so baby stays warm all night, inverted zipper makes diaper changes easy, won?t pinch baby?s skin and makes it harder for an older child to unzip Slips on easily over a regular sleeper or diaper, made of 100% interlock cotton