The product is a vintage tin of Cortland 333 fly line cleaner with "Flote-Cote" formula, made in the United States. This product is designed specifically for fly fishing enthusiasts and is mostly unused, making it a rare and valuable find for collectors of vintage fishing equipment. The Cortland brand is well-known in the fishing community for producing high-quality products, and this fly line cleaner is no exception, offering a unique and effective solution for maintaining fly lines.