Starbucks Coffee 2018, Been There Series, Washington DC Mug. Microwave and Dishwasher Safe. Features: Been There Series - Washington DC 2018 Ceramic Microwave and Dishwasher Safe. Product Details: Brand: Starbucks Material: Ceramic Color: White Style: Classic Theme: Travel Product Care Instructions: Microwave Safe, Dishwasher Safe Unit Count: 1 Count Item Weight: 1.23 Pounds Product Dimensions: 3.8"W x 3.5"H Number of Items: 1