Pumpkin Cork Back Coaster, Watercolor Farmhouse Fall Halloween Square Round Drink Cup Table Bar Designer Unique CoolEach round and square coaster is made with a high gloss, polyester coated hardboard top, and features a genuine cork bottom to prevent sliding. .: Material: Genuine cork bottom finished with a glossy white top made of polyester coated hardboard .: Size: 3. 75 x 3. 75 (Square) and 4 x 4 (Round) .: High gloss top .: NB! One coaster per listing .: Assembled in the USA from globally sourced parts Square Round Length, in 3. 75 4. 00 Width, in 3. 75 4. 00