THIS will be your favorite mug! Enjoy your favorite hot beverage in the new DWTM mug. This 16oz Bistro mug is made out of durable ceramic, and engraved by laser deep etch in Arizona. It comes in a tapered design and each one is very unique. The mugs with different shades & swirls are reactive clay, so each one has it's own coloration & organic look/texture. It is dishwasher & microwave safe.