Ikea Honsbar King Comforter Warmer with More Fill Product description; Filling material: 90% duck feathers, 10% duck down. Fabric: 100 % cotton. Product dimensions; Length: 86". Width: 102". Filling weight: 64 oz. Total weight: 125 oz. 252 thread count. 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.