Before polyester was invented, feathers and down were used for filling pillows and comforters for wealthy nobles and royalty. Consisting of sterilized white duck feathers and down, our pillow insert provides maximum comfort and support. Designed to fit euro sham covers. Measures 20" X 20". 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.