US Patent 7384098 Infant mummy bag for use with a car seat

The mummy bag including a blanket having an integral hood with a face opening and two opposing side edges. A zipper is provided for connecting the side edges together leaving an open bottom. Draw strings are provided for reducing the size of the face opening and the open bottom. The mummy back includes an opening on the back of the mummy bag for receiving an infant carrier harness latch. The blanket further includes a large opening on the back of the mummy bag sized to conform to the back of the infant within the mummy bag for freely receiving harness straps mounted to the carrier.