Splash Proof Lid: The mug comes with a push-on, splash and dust proof lid, you can enjoy your drink through the sliding cover at the top. It is not a thermos mug, but the lid can keep the liquid warm for a while. This lid can prevent the splash but not the spill (the liquid will leak if you turn over the coffee cup). Just ensure that do not turn a filled coffee mug upside down to avoid likely leakages, you can enjoy your coffee better. Cork Bottom: This mug comes with built-in cork bottom to prevent scratching and staining on the wood desk or glass table.It is a great choice for the office or home use.The cork bottom allows you to place the mug on any tabletops without a coaster. Great Gift for Any Occassion: With matte ceramic finish and an elegant design, the mug set is a great gifting
