Swaddle piece features 2 layers of buttery soft rayon made from bamboo, an adjustable Velcro strip closure to form a perfect swaddle on babies of different sizes. Removable elastic loop fastened with a snap closure When used on its own after swaddling piece is removed, sleep bag is designed to safely fit a newborn up to 13 lbs. Only used a handful of times before we transitioned to a sleep sack. I can ship ASAP to get it to you and your little one quickly!