The English label for 桑蚕丝 is "Mulberry Silk". Mulberry silk is a type of silk that is produced by the silkworms of the Bombyx mori moth. It is known for its fine texture, strength, and luxurious feel. Mulberry silk is produced only in a few countries, including China, India, Thailand, and Japan. It is highly valued in the fashion and textile industries for its high quality and versatility. Mulberry silk is used in the production of a wide range of products, including clothing, bedding, and home decor items.