This cute travel mug holds 16 ounces (473ml) and is suitable for both hot and cold beverages. Insulated tumbler features a double wall design that keeps contents hot/cold and your cup free of condensation. The 3 inch (7.6 cm) opening provides room to easily fill the plastic tumbler and allows for hassle-free cleaning. For best care, the coffee travel mug and lid should only be washed by hand. This reusable cup cannot be used in the microwave.