This unique Funny Color Changing Trump Mug for Grandma 12oz - MAGA Coffee Mug is the perfect gift for your beloved Grandma. Put a smile on her face every time she takes a sip of her favorite drink! When cold, it shows the text "You are the Best Grandpa" however when hot, it magically changes color from black to grey to give an unforgettable surprise! Show your Grandma how much you love and appreciate her with this fun, yet heartfelt mug.