Big Coasters are decorated with Round - Assorted Polished Pectens and cut shells with dry foliage on white background. Gift & Kraft Works manufactures Big Coasters.Gift & Kraft Works also manufactures Flower Holders, Wall Clock, and Key Hangers. Big Coasters come with three-layer resin casting with shells and dry foliage. It is hand polished for glass like finish. Very hot dishes can be served on these. It`s size range varies from each 7.25" dia X.5" thick.