Meet the Magic Battery Mug. It's black and may look plain but wait until you pour your drink. Watch the magic of its sensitive, color-changing feature that will blow your mind. Simply pour in your coffee or tea and see for yourself as it unveils the magic battery that glows through heat sensitivity. It shows green to let you know that your coffee or tea is still hot and full of life. Get your Magic Battery Mug today and feel rejuvenated just like a full battery!
Size: 9.5 cm x 8 cm