Baby soft 100% cotton flannel wearable blanket in pastel with polka dots for babies who are ready to transition from swaddling, TOG rating of 0.7 which is the recommended TOG rating for temperatures of 72-78 degrees F (the temperature range medical experts recommend for sleep environments is 65-70 degrees F), Designed by a registered nurse with convenient 2-way zipper, Comfortably sized for babies up to 28" long age 3 to 6 months, Machine wash warm, tumble dry low