The 222 Fifth Slice of Life Einstein Mug is a unique ceramic mug featuring a black color with a sleek design. Standing at 4 1/2 inches tall and 3 1/8 inches wide, this mug is perfect for enjoying both hot and cold beverages. Made in Indonesia, it showcases the intricate design of Einstein's famous thought experiment, making it a perfect collectible for those interested in both science and art. The 222 Fifth brand ensures quality and craftsmanship in every mug they produce, making this a must-have for any coffee or tea lover's collection.