The longer the duck (geese) breeding time, the longer the velvet grows: large velvet, more velvet, long velvet, more velvet ribs, and high fluffy. (Down with a bulkiness of 800 or more is generally selected by hand, so the price is very high, about 800-900 yuan/kg).

When people talk about goose feather, goose feather is indispensable. There is no 100% goose down, so goose down is necessary. Compared with duck feather, goose feather is tasteless and warm. Goose feather can be mixed with goose feather to fill your jacket, down pillow, down quilt, etc., or can be filled with Down cushion, down bed, down sofa, etc.