From MacKenzie-Childs, this set features: Top your table with our set of four Sterling Check® Cork Back Coasters. The heat-resistant lacquered surface features an art print of our color-dragged grey check pattern on hardboard substrate backed with natural cork. Approx. 4.1" wide, 4.1" long, 0.2" tall MDF with cork backing Pieces may vary due to the handmade nature of each product Wipe clean with damp cloth. Imported.