Does your washer have a "hand wash cycle", I have used that with great success on old quilt. BUT I do have the attitude, if it falls apart, it was not meant for me to have it. Regular Tide detergent and a scoop of Arm and Hammer baking soda for smell. (Grandson was a Marine, those items stored for month and months while he was overseas, probably weren't washed first, yikes did they smell, but baking soda did the trick)