Rverie prestige hollofil duvet with allerban treatment anti dust mite anti bacterial and anti fungal for more effective protection against respiratory allergies filling 100 polyester hollow fibre silicone filling ultra soft and light for increased comfort 100 cotton cover500 gm warm duvet suitable for cooler bedrooms 15c to 16c maximumfilling hollofil allerban hollow fibre silicone filling ultra soft and light for increased comfort with allerban anti dust mite anti bac