Ikea Honsbar Twin Comforter, Warmer with More Filling Product description; Filling material: 90% duck feathers, 10% duck down. Fabric: 100 % cotton. 252 thread count. Product dimensions: Length: 86". Width: 64". Filling weight: 40 oz. Total weight: 78 oz. Care instructions; Machine wash, hot 140F (60C). Use 1/3 of the normal amount of detergent when washing. Do not bleach. Tumble dry, normal. Do not iron. Dryclean, normal cycle.