These 16 Oz. Bistro Matte Black Our custom mugs with gloss colored interiors are perfect for coffee shops and stores. These coffee mugs are two-toned with a smooth molded ceramic composite. Two-toned matte black exterior bright colored interior. High curved grip for easy grab-n-go handling. Complies with Prop 65. 2.1" W x 4.1" H x 2.1" D