Cork Back Coaster
Illuminate those pesty cup and glass rings on your tables. These coasters are 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