Add an extra layer of comfort to your bed with this White Goose Down Mattress Topper from Downright. It is encased in 300 thread count cotton, and features a baffle construction and a 3" gusset. Fill: 600+ White Goose Down 100% Cotton Cover Baffled Box Construction Guaranteed Hypoallergenic Made in USA Size Chart Size Weight Twin 39x75 105 oz. Twin XL 39x80 113 oz. Full 54x75 140 oz. Queen 60x80 158 oz. King 78x80 211 oz.