1. Duck feather down from the breeding base 2. High filling power and ... moisture and fat contents4. as filling material of quilts, pillows, mattress toppers and cushions and so on.5. hygienic and ... with reasonable price from China :1. washed white / grey duck feather 2-4cm, 3-5cm, 4- 6cm, 6-8cm2. washed ... white / grey goose feather 2-4cm, 3-5cm, 4-6cm, 6-8cm3. wahsed white / grey duck down 5%—90% 4. ...