Stainless Steel Flask, Caduceus Medical Symbol, Personalized Engraving Included Flask is laser engraved with the image that you see in the photo. Your name or personalized message will be engraved below the image. Measures 4.25 inches tall and 3.75 inches wide. Holds 6 fluid ounces All stainless steel construction. You may have one line of laser engraved text. Click the "Customize Now" button to begin customizing your flask.