These Aden + Anais brand swaddles are constructed of 100% cotton muslin. Size of each is a generous 47" X 47". Swaddle is breathable to help in reducing the risk of overheating and continues to get softer with each washing. Can also be used as a stroller or nursing cover, changing pad cover, burp cloth, and tummy time blanket. You and your baby will be sure to love these swaddles! These beautiful rich shades of pink, green, and gray are sure to please.