This king sham insert brings superior loft with pure comfort. The soft 100% cotton shell is soft to the touch and is filled with down and feathers for the ultimate loft and comfort. The sterilized white duck feathers and down fill provides warmth for every season so you can enjoy a great night's sleep. Measures 21" X 34". Machine wash warm in a commercial-sized washer, gentle cycle, tumble dry low, remove promptly. Do not bleach. Shell: 100% cotton, filling: 5% down/95% feather. Imported.