Referring to a specific product logo or trademark, this phrase is a term for a specific industry, brand or region.

"Bag gold label" refers to the golden logo or label used on bags, which is used to identify the brand, verify the authenticity of the product, or display the high quality and value of the product. This gold label can be in the form of a metal badge made of metal, gold embroidery, gold foil hot stamping, etc.