YouTheFan NHL San Jose Sharks 4-Piece Stainless Steel Boaster Drink Coaster Boasters are a heavy duty set of coasters with a strong cork backing Premium Drink Coasters include laser-cut logos and are the perfect accessories for the sports bar or man cave Makes a Great Gift Idea for the Tailgating Sports Fan in your life Set of 4 Dimensions: 4" x 4" Unique laser cut design Heavy-duty stainless steel Strong cork backing