This 13.5 tog double duvet is perfect for keeping you warm on those cold winter nights, giving great insulation for a warm, cosy sleeping environment every night. The all natural duck feather & down filling feels soft & comforting as you curl up under the covers at night, helping you to get a deep, refreshing night’s sleep at the end of every day. Covered in a 100% cotton percale, this duvet is sure to create a luxurious level of comfort for your bedroom. Comes in a carry bag for easy storage during the summer; 90% duck feather & 10% duck down filling; Perfect for giving a layer of warmth & comfort to any double bed; Wash in a large capacity machine & ensure the product is fully dry before use.