fabric: 100% cotton muslin breathable: helps reduce the risk of baby overheating versatile: works as a swaddle blanket, nursing cover, burp bib cloth, tummy time baby blanket, changing mat cover and more machine washable: 100% cotton stays soft wash after wash includes: 4 pre-washed 44" X 44" [120cm x 120cm] 100% cotton muslin swaddles Breathable, versatile and soft as a mother's touch, the aden + anais 100% cotton muslin baby swaddle blanket ensures baby's ultimate comfort at bedtime and beyond.