The product is a set of three vintage beer coasters from the Chicago Beer Coaster Club featuring designs from various brewers such as Erlangen, Krausen, and Yusay. These coasters are highly collectible and fall under the theme of Breweriana, making them a unique and nostalgic addition to any beer enthusiast's collection. Perfect for adding a touch of history and charm to any bar or man cave, these coasters showcase the rich beer culture of Chicago and surrounding regions.