Keep you & the entire family warm with the 13.5 tog duvet range Available in four popular sizes to suit a range of beds this covers offers you a luxurious night’s sleep for a great price you will love. This duvet has been filled with 85% goose feather & 15% goose down & also has a 100% cotton cover with a 233 thread count. The duck feather & down filling will be kept safely inside the duvet with a down proof cover; this design can also be washed at home at 40 degrees.