The 10-oz Ember Mug2 will keep your favorite beverages at the perfect temperature all day long. Measuring 4.19″ x 3.25″ (4.31″ with the handle), the reinforced matte coated, 18/8 stainless steel mug features a temperature control mechanism, smart LED light, and built-in battery. The mug should not be microwaved, and should be hand washed to clean. With your custom logo spot color or laser X printed on the side, this branded mug is ideal for everyday use.