White duck down:

The raw materials are mainly from Anhui Province, Guangdong Province, Shandong Province and other places. The average growth period is more than 40 days. Although it is much smaller than goose down, it is more uniform and fluffy, which is normal. Puffiness up to 600in3 / 30g

4-6cm white goose feather is widely used in different fields. It has the characteristics of large down, small feather handle, light weight, high filling force, tasteless, and high warmth retention.