15 oz Coffee Mug Set: 2 Pcs reusable 15 ounces large coffee mug set perfect for coffee, tea, water, and so on in diversification use; it's a great gift for parents, couples, friends, lovers, anniversary, wedding 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. Insulated 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 solution for any occasion as well as during festivals. Birthdays, Christmas, and Holiday gift-giving are easier when you choose this funny coffee mug. Warning Tips: Please notice that mugs is not microwave and oven safe. And the bottom of our mugs is made of cork, so DONT put the cork in the dishwasher because it is not safe. Please remove the cork bottom before washing the mug in the dishwasher, or you can clean it easily without coffee stains by handwash. After cleaning, assemble the cork to the bottom of the mug and you can continue to use it.