Baby Sleeping Bag Envelope for Newborn Baby Winter Swaddle BlanketOverview The first layer of flannel, not easy to fade, can not afford the ball, no lint, good warmth The second layer of imitation silk cotton, 200G imitation silk cotton, feel thick, increase the degree of warmth The third layer of pure cotton cloth, soft and comfortable, suitable for close fitting wear, skin friendly breathable 1. A soft blanket for newborns Thick warm cocoons for newborns of 2. 0 9 months old are used as baby blankets, sleeping