The tea mug comes with a push-on, splash and dust proof lid, you can enjoy your drink through the sliding cover at the top.When mugs filled with hot coffee, no worry about burning your hand or fingers, because the cork bottom not only insult the heat but also prevents scratching and staining, anti-scald and without “clink” noise, especially protect wood desk or glass table well.This coffee mug provides comfort whether at home, in the office, or traveling.The cork bottom can be made detachable so that it can be washed in the dishwasher. You can also choose to make the mug with a non-detachable cork bottom. It's a thoughtful and practical gift for anyone you love.