Christmas Coffee Mugs, Color Changing Mugs, Household Coffee Mugs

Magic mugs: Santa's mugs are black at room temperature. When adding hot water, hot milk, hot coffee (at least 60), the color will change immediately. This is a funny magic mug. Safe to use: The Christmas coffee mug is environmentally friendly and non-toxic, safe to use, large capacity, enjoy longer coffee, thick wall and large handle, and feels good. Brilliant thermal effect: The heat-sensitive coffee cup design can judge whether the coffee is cold by the color of the cup to avoid cold coffee. It can also prevent your child from being scalded by drinking hot water. PERFECT GIFT: Each color-changing mug comes in an individual heart-shaped sample packaging. The Christmas themed mugs are the perfect Christmas gift for your family, kids, girlfriend or boyfriend. Note: For longer life, we recommend hand washing, it is not safe to use in the dishwasher, do not reheat in the microwave