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 cover300 gm medium weight duvet cover ideal for bedroom temperatures between 15c and 20c approxfilling hollofil allerban hollow fibre silicone filling ultra soft and light for increased comfort with allerban an