Coffee Travel Mug, Tree Frog, Personalized Engraving Included The Mug is laser engraved with the image that you see in the photo. Your name or personalized message will be engraved below the image for Free. Measures 4.25 inches tall with a 3.25 inch rim. Holds 12 fluid ounces of your favorite beverage. The Mug has a stainless steel exterior and a plastic interior. Includes plastic travel lid. You may have one line of text - 20 characters maximum. Click the "Customize Now" button to begin customizing your mug.