Night Zone Duck Feather and Down Duvet: Feather Quilt designed for All Seasons. Filled with 15% duck down and 85% duck feathers, Puffy soft and cosy for your balanced night sleep. Box Stitching Cover (100% Cotton): soft & breathable shell with carefully crafting, prevent the filling from shifting/leaking out. This quilt could be used as a duvet insert or the comforter/blanket individual. Double stitched sides and Box stitching design ensure the fillings in place, hold its shape and softness. Duck Feather & Down Duvets. Feather proof polyester microfiber cover. 85% duck feather & 15% down. Box stitched piped edging