The Ultimate Goose 10 Down and 90 Feather Mattress Topper Range by Puradown Ultimate features an all natural fibres prewashed and sanitized filling, in a 100% Cotton Japara cover. This breathable and extremely comfortable topper with cassette construction features a series of individually filled squares to maintain consistent warmth. Finished with gusseted for extra loft and corner straps, this Australia made topper will help anyone have a peaceful sleep.