Mama Birdie World's Greatest Dad (Black & Red Print) Coffee Cup/Tea Mug (White/Red) Show Dad how much you love him with this heartfelt mug from Mama Birdie. Great Father's Day, Birthday, or Christmas gift for Dad. Our mugs are premium quality. White mugs are bright white inside and outside. Colored mugs featured bright white outsides and vibrantly colored insides and handles. Dishwasher and microwave safe. Designs are permanently printed on the front of the mug and won't scratch off, peel off, or fade. Designed and printed in the U.S.A.