aden + anais bamboo muslin swaddling blankets are the ultimate in breathability and softness. The lightweight muslin permits air to circulate around the baby's body, while still providing comfort and warmth without the worry that the baby may overheat. Fabric is made from rayon and is gentle on baby's skin as well as durable for everyday use. The more you wash the softer they get! These wraps are extra large, measuring 47 x 47 so that new and seasoned parents alike can swaddle babies of all sizes with ease. Traditionally used for swaddling, these wraps can also be used as burp cloths, nursing and stoller covers, portable crib sheets, stroller and car seat liners, tummy time blankets, change table covers and more.