... China:1. washed white duck feather 2-4cm, 3-5cm, 4-6cm, 6-8cm2. washed grey duck feather 2-4cm, 3-5cm ... , 4-6cm, 6-8cm1. washed white goose feather 2-4cm, 3-5cm, 4-6cm, 6-8cm2. washed grey goose feather ... 2-4cm, 3-5cm, 4-6cm, 6-8cm 4-6cm washed white goose ...