Authorized for use and assortments. Transform your ordinary throwaway cup into a reusable vessel. Crafted from ceramic with plastic, leak-resistant cover and silicone seal for maintaining temperature of beverages. Can be safely cleaned in dishwasher, used in oven, and heated in microwave. Capacity is 17 ounces. Savor your preferred beverage with flair. Packaged in a gift box. An excellent present suggestion!