I have one of these quilts(queen). I wash mind only once a year.When I wash I put it on ex-large,cold water,1 cup baking soda(no soap). To dry I put in my dryer with 10 tennis balls. Dry Med heat.The tennis balls stop the batting and down from balling up. I have had my quilt for 15 years and have never had a problem with washing.If you do not want to do this I would take it to a dry cleaners.