Goose Down Alternative Double FIll Comforter (Duvet)-King Goose Down Alternative Double FIll Comforter (Duvet)-King Microfiber Shell, Microfiber defers pilling, dust, and pollen making this comforter perfect for people who suffer from allergies. Microfiber does not pill and is wrinkle resistant. Machine Washable 100% Polyester Fill, Holds up well to washing, drying and everyday regular use. Dimensions:Twin: 68"x 86", Queen: 86"x 86", King: 102"x 86"