1. duck feather filled 2. 100% cotton cover,down proof 3. any size ... *40s/133*100 fabric,down and feather proof, bleached white 2.filling materials white duck feather 2-4cm,4-6cm,white goose ... feather 2-4cm,4-6cm,etc.all high ... .top quality with low price,OEM service is welcome! duck feather pillow