This mattress reviver is treated to eliminate the growth of mould mildew fungus bacteria dust mites and dust mite allergens both on the sleeping surface and inside making it the perfect choice for allergy and asthma suffers filled with down like polyester and with a soft polycotton cover youll enjoy a luxuriously deep soft cushioning thatll totally transform your sleeping comfortpolyester filling adds down like comfort to your mattressanti allergenic cover eliminates mould mildew f