You will need:
Two coordinating fabrics - will cut 13" x 38"
small amount of poly fill
Coordinating ribbon or bias tape
Cut two coordinating fabrics and one piece of batting - 13" x 38"
Stack the two fabrics (right sides facing each other on top of batting and pin
Sew around two long and one short side - leaving one short side open
Trim corners and excess fabric around sides
Turn right sides out - with batting in middle
Measure down 7 1/2" from open end and stitch straight across
Measure across and divide into 3 or 4 even sections - sew down almost to line
Put a little poly fill (stuffing) into each section - to make pillow
Round corners of open end and use ribbon or bias tape to close opening
Fold opposite end up to bottom of pillow (outside fabric on the inside)
Sew each side closed
Turn sleeping bag right side out