... & fat contents5. Hygienic: Washed with detergent and cleaned with water for at least one hour, then dried in steam dryer at ... temperature of 120 C for 30 mins.6. was taken from the slaughtered ducks.7 ... .color:white or grey for your choice8.length:various,2-4cm,4-6cm,etc.We ... , 3-5cm, 4-6cm, 6-8cm washed white goose feather for filling