Embé swaddles are unlike any other in the world! This embe sleep sack with long sleeves and foldable mittens is made for babies 0-3 months or 6-14 lbs and is perfect for the mom searching for a safe alternative to thick blankets. The embé sleeper sack is a wearable blanket that adds warmth to your baby and also allows baby to have more freedom to stretch out with our arms in & arms out options: arms in, 1 arm out, or both arms out and swaddle around the tummy for extra comfort! get the best nursery sleep sack today and start enjoying longer hours of continuous sleep! These infant sleep sacks are proven to help your babies sleep faster, longer & safer! safer than the traditional burrito wrap methods, embe swaddles offer the world's only legs in & legs out patented technology that offers the versatility of legs in warmth & legs out cooling and heat dissipation to help keep your newborn from dangerously overheating.