Downia Four Seasons Goose Down and Feather Single

Oh, I haven't checked the instructions but regardless of what it says, I wouldn't machine wash. I've done it before and the feathers/down never recover. most smells & minor stains are removed simply by laying quilt flat in sun for 2-3 hours. once every 12-18 months, pay for professional clean. you can also get refills of feathers at specialist places