Duvet inserts are either baffle box or sewn-through, capturing and lofting the filler to keep you warm—and your duvet fluffy.  Photo 3 of 12 in How Much Should You Spend on a Duvet? from How to Care for Your Bedding

How Much Should You Spend on a Duvet?

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Duvet inserts are either baffle box or sewn-through, capturing and lofting the filler to keep you warm—and your duvet fluffy.