I would check with the hospital where they are. My GS was in NICU for a month-nothing was allowed in the incubator with him. There was a quilt over the top that was from the hospital. When we took him out to hold him he was wrapped in a hospital blanket. Later when his parents were allowed to room in with him they could use their own blankets to wrap him in to hold but only the baby went back into the incubator