This is a heat-changing mug that reveals a hidden message when hot liquid is added. The mug is black with gold accents and features a planchette design. The mug is made of ceramic and is dishwasher and microwave safe. It is also BPA-free and lead-free. The mug is packaged in the original box and has never been used. This is a great gift for your coffee and tea fanatic friends or loved ones or, to add to your own mug collection!