What is the difference between duck down and goose down and velvet?

Duck down, processed duck down, has a strong ability to keep warm. Strong warm-keeping ability, used to make fluffy bedding, down jacket and so on. , relatively cheap.

Goose down:

Most of the down feathers of domestic geese are stuffed into things to keep warm, such as goose duvets and goose down jackets. Undeniably, down is the best among all kinds of warm-keeping materials, because its structure is soft and its wrinkles are very small, but the quality of down is very uneven, and only high-quality down has these advantages. After strict cleaning, disinfection, selection and other processes, the finished product is produced, ensuring that its down products have stronger warmth retention and better moisture resistance than others.

Velvet:

This is not a swan's fluff, but a fabric. Velvet is the name of silk fabric, and velvet warp yarns form loops or fluff on the surface of the fabric. Also known as Zhang Rong, it is named after its origin in Zhangzhou, Fujian, China. It has been mass-produced in Ming Dynasty and is one of the traditional fabrics in China. There are two kinds of fabrics: flowered and plain.