Shrek 12oz Mug with Mug Warmer The Shrek Mug Warmer Set is a Shrek-tastic way to keep your drinks warm! This swampy green set features an adorable warming plate and a vibrant, full-color 12 oz. ceramic mug showcasing Shrek and Fiona. Perfect for sipping your favorite hot beverages while adding a touch of ogre to your day. Whether you're fueling up for a fairytale quest or just rolling out of bed, this mug warmer set brings a bit of the swamp to your home. INTELLIGENT AUTO ON & OFF -- Thanks to microgravity technology, the cup warmer will automatically turn on when the mug is centered on the heating plate and will automatically turn off when the mug is removed. (Note: The mug must contain liquid to activate the gravity sensor.) CONVENIENT GADGET FOR YOUR DRINKS -- Designed for the office or home, this mug warmer will keep your favorite beverages at the perfect temperature. Drinks can be maintained as high as 131°/55°, depending on room temperature. This item is not meant for boiling liquids! SAFE & LOW POWER CONSUMPTION -- The low-energy thermostatic control system uses 16W for low power consumption, has excellent heat focusing, and features tempered glass to evenly warm beverages while remaining safe and stable. Comes with 4 non-skid feet at the bottom to help support your mug and prevent spills. FUN AND FUNCTIONAL GIFT -- Keep your beverages (coffee, tea, soup, etc.) warm throughout the day. AUTHENTIC -- Officially licensed by Universal Studios. Item cannot be shipped to P.O. Boxes