Reusable Ceramic To-Go Mug with Silicone Lid 13 &frac12; Ounce Capacity Eco Cup I am not a paper cup! Saving the world one cup at a time! Single Wall Ceramic Mug holds 13  oz (400ml) 3 Colors Choises in Silicone Sleeve that helps ensure you wont burn your fingers Silicone Lid helps keep the beverage hot or cold for longer and helps prevent messy spills. Comes in gift giving recyclable box. WARNING: Hot beverages held if this cup could cause injuries care should be taken to prevent injury.