1. Flour: Flour of goose down is relatively large, fluffy and warm. The white duck down is small and fluffy, and its warmth retention is poor.

2. Elasticity: Goose down is relatively elastic. After repeated cleaning and use, its bulkiness and warmth retention are still good. However, the elasticity of white duck down is relatively weak, and after repeated cleaning and use, the bulkiness and warmth retention will decrease.

3, odor: goose down itself has almost no odor, and it is more comfortable to wear. However, duck down has a certain smell. Although the odor was reduced after treatment, it could not be completely eliminated.