My daughter was in-between sizes when I bought this, so she only used it for a month and then I had to buy a bigger one. Comes with box and wash sack. Size: Owl (4-14 months) The Alphie® Sleep Pouch™ is the next step in your little one’s sleep journey—designed to provide comfort, freedom, and a sense of security as they transition out of the swaddle. Thoughtfully engineered with a cozy-yet-light fit, The Alphie® helps your little one feel snug and settled while allowing for natural movement and safe sleep.