ZENS Porcelain Heat Changing Coffee Mug with Lid, 10 OZ Tea Cup White, Heat Activated Flower HEAT ACTIVATIVED COLORS: Watch the colors of the pattern change after pouring your coffee, tea, etc. (over 110F). The pattern will brighten with your warm drink and then gradually turn back to its original color after the liquid starts to cool. MUG WITH LID AND HANDLE: The pebble shape lid keeps your beverage warm for longer and free from dust, and can be turned over and used as a coaster for your tea infuser; a large handle is easy grip that makes it extremely comfortable to hold! HIGH QUALITY WHITE PORCELAIN: Made of pro-grade porcelain; this mug has a capacity of 10 oz. / 300 mL, making it perfect for tea, espresso, cappuccino, milk, etc.! EASY TO HANDWASH: Just clean and wipe with a soft cloth and the water can be with a mild detergent. Do not put it in microwave or wash in the dishwasher. PERFECT GIFT MUG: This elegance porcelain mug series is exquisite heat sensitive color changing design with 4 flower pattern, implied 4 seasons in a year; wrapped in a gift box, ideal gift for birthday, housewarming, wedding or other holidays!