washed white duck feather

washed white duck feather/washed white goose feather/washed grey duck feather/washed grey goose feather
1.EN class 1
2.high filling power
3.Originated from Non-epizootic area and had been washed with detergent, rinsed for an hour and dried with steam in a high temperature drier of 120 degrees centigrade for 30 minutes.
4.Softness
5.no odor