perfect for those who love the feel of a down duvet at a more affordable price filled with 60% lightweight duck down and 40% fine duck feather can be attached to a second duvet 10-year manufacturer's guarantee this fantastic lightweight-yet-lofty duck-down duvet is the perfect choice for those who love the feel of a down duvet at a more affordable price. filled with a beautifully balanced blend of 60% lightweight duck down and 40% fine feather, this great-quality design feels light, plump and cosy. a great choice for children's beds and guest rooms. this duvet comes complete with buttonholes and cufflinks, so you can build your own tog rating by joining two of the same range together in winter.