This 30 oz sublimation tumbler is perfect for anyone with a sarcastic sense of humor. Featuring the phrase "What Part Don't You Understand?" in bold lettering, this tumbler is sure to get a laugh or two. The sublimation printing ensures that the design will last even after multiple washes. Whether you're sipping on your morning coffee or your favorite cold beverage, this tumbler is the perfect sarcastic accessory. Get yours today and show off your witty side