Custom Mugs, Otis Ceramic Mug 15oz - Speckled & Dishwasher Safe, The Otis Ceramic Mug features a two-tone design that combines a speckled base with a matte black top. Choose between color imprinting or our new cutting-edge, dishwasher-safe laser decorating method to add customization to your Otis mug. Unique contrasting two-tone design Speckled body with black glazed rim ... #1628-09 $7.58/each.