Rolled gold is a type of jewelry that consists of a thin layer of gold bonded to a base metal, usually brass or copper、The gold layer is typically 1/20th the weight of the total piece and is rolled onto the base metal under high pressure、Rolled gold jewelry is less expensive than solid gold jewelry but still has a similar appearance and can be worn for everyday use、It's important to note that rolled gold may wear over time and expose the base metal underneath.