This custom two-tone mug is here to accommodate all your favorite pick-me-up elixirs in style. Its durable ceramic build is microwave & dishwasher safe, as is any printing that goes on to these mugs. These custom dual-color mugs are available in 11oz a Material: white ceramic with colored interior and handle. Available in two sizes: 11oz (0.33 l) Rounded corners. C-handle.