47x47" Lulujo's extra-large, all-in-one muslin cotton swaddling blankets are made with finely woven muslin cloth. Soft and breathable, these wraps not only help baby feel safe and secure while swaddled; they also can be used as a blanket, a nursing cover, a portable crib sheet, a change mat, a stroller cover and more. 100% cotton. becomes even softer with use. breathable muslin. prewashed. wash in warm water