Material & Specificationceramic wooden mat, comes in round shape design, 3.9 x 0.2 inch, 2pieces, suitable for most of glasses, mug, cup Strong Water AbsorptionCork backing design gives an extra grip of the coaster to your countertop or furniture. Helps to capture moisture in cold drinks, doesn't stick to your glass and keep it dry Perfect Home DecorGORYJ drinking coasters match with your furniture well, make your drinks "sweeter" and mood better. These coasters can decorate every room of the house, dining table, kitchen, bedroom bedside table, coffee table or living room coffee table, these coasters are perfect for any place Easy To CleanMore convenient to clean than silicone coasters, just rinse it by water. Besides, These wonderful drinks coaster can protects your beloved dining table, kitchen countertops from damage Great Gift IdeaIt is an ideal housewarming, birthday, holiday, college dorm room and room decoration gifts for your families and friends, they will love it