COMFORTER DUVET INSERT - King comforter duvet insert measures 90 inches x 102 inches BOX STYLE STITCHING - Crisp looking comforter with 350gsm filling features piped edges with an elegant style box stitching that prevent the fill from shifting SILICONIZED FIBERFILL - Extremely soft material with siliconized fiberfill alternative filling provides a comfy and cozy feel SOFT & COMFORTABLE - Made using soft material with siliconized fiber filling that provides a comfy and cozy feel throughout the night MACHINE WASHABLE - Machine wash in the gentle cycle with cold water, sun-dry or tumble dry on low when needed Luxury Down Alternative Comforter Duvet Insert! The 100% Down Alternative Comforter Duvet Insert delivers optimal comfort, quality, and value. Quilted stitch construction prevents shifting and helps retain shape. - 64 inches x 88 inches (Twin), 88 inches x 88 inches (Queen/Full), 102 inches x 90 inches (King) - Box stitch construction - Soft luxury bedding - Easy care material that lasts - Elegant tailoring and quilted stitching help the comforter to retain shape over-time - Machine wash on cold, tumble dry on low - Vacuum packed