This product and its sizes are not intended for use with premature infants. This water repellent blanket is not intended for use as a regular sleeping blanket. It is for use during rainy weather. Please tuck the baby's feet and legs into the triangular pouch. The baby's arms extended - velcro the two sides over its arms. Drape the remaining corner over the back of the baby's head. Support the baby under the buttocks and place your other hand behind the baby's head. Do not block the baby's breathing by holding the water repellent blanket tightly around its facial area.