Product Details Product Details Approx. 4 in. x 4in.Durable and resistant constructionFull color designProtects surfaces from moistureMix and match styles to build a unique setLIMESTONEUSA Officially Licensed Keep your surfaces protected and show your Wolverines support with this Michigan Wolverines Coaster. This Coaster features a team graphic printed on a 4x4 stone coaster. Go Michigan!