And that's why we like you! Sip your favorite 12 ounce beverage while being petty or judging others for being petty. Have a hard to shop for petty friend? Problem solved. They will aspire to the highest level of pettiness with this nice cup. These travel mugs are made from stainless steel, and have a permanent image. Even though these are deemed top rack dishwasher safe, we recommend that you hand wash these to leave a lasting effect and to avoid any rusting if cups are left in the dishwasher (don't act like you immediately unload your dishwasher). Holds 12 oz. Vacuum sealed plastic lid with a hole in the top. Image is printed on both sides and has a handle. Embrace the petty in you today!