Come with a cork base that doubles as a coaster protecting your tabletops from unwanted scratches, stains, and watermarks, allows you to place the mug on any tabletops without a coaster. The cork coaster bottoms easy to remove when dishwasher.The push-on, splash and dust proof lid, you can enjoy your drink through the sliding cover at the top. Matte exterior & polish interior. Mug itself support microwave and oven, DON’T put the cork in microwave or dishwasher.