Serenity Collection Down Comforter Duvet Insert by Down Inc.Indulge in refined comfort with the Serenity Collection Down Comforter Duvet Insert by Down Inc. Meticulously crafted from sumptuous 360 TC cotton with a sateen weave, it delivers an exquisitely soft and smooth touch. The 15 box construction, complemented by 1 baffle walls, ensures an impeccably even distribution of the 650 fill power Snow White Down, providing balanced, medium warmth ideal for year round elegance. Enhanced by a 1 gusset edge for