This is our Luxurious down feather blended pillow inserts made from 5% down and 95% grey duck feather with a 100% tick-proof 230 thread count polyester outer shell. Constructed to be very full and fluffy with 900 - 2200 grams of down/feather fill (based upon the size.) Imported. Fill Power: 20" x 20" includes 1050 grams 22" x 22" includes 1400 grams 24" x 24" includes 1800 grams 26" x 26" includes 2200 grams