The Black Ceramic Matte Modern Colour Changing Reusable Mug Combines A Sleek Modern Design With Innovative Color-Changing Technology. The Matte Black Ceramic Exterior Provides A Contemporary Aesthetic, While The Color-Changing Feature Offers A Fun And Practical Way To Gauge Beverage Temperature. Made From Durable Ceramic, This Mug Is Perfect For Coffee, Tea, Or Any Hot Drink. The Reusable Design Is Eco-Friendly, Promoting Sustainability By Reducing Disposable Cup Waste. Safe For Use In The Microwave And Dishwasher, This Mug Is A Versatile Choice For Home, Office, Or Travel.