The product is a 2021 Mariano Rivera Jersey Fusion Game Used Patch, numbered 91 out of 99. The patch is authentic and was used by Mariano Rivera in a game. This item is a unique and valuable piece of baseball memorabilia, showcasing a piece of history from the New York Yankees legend's career in the MLB. Made in the United States, this patch is a must-have for any baseball fan or collector looking to add a special item to their collection.