Best Dad Ever Coffee Mug Fathers Day/Christmas Gift for Dad Ceramic Mug 11 Oz. Black Best Dad Ever funny coffee mug. Perfect gift for your father. Perfect Gift for your dad for birthday / Father's Day / Christmas. A GIFT Your Papa Will LOVE - The ideal gift that's personal, always useful and never fails to please. HIGH QUALITY CERAMIC MUG - This perfect sized Coffee mug is available in 11oz or 15oz sizes. MICROWAVE AND DISHWASHER SAFE - guaranteed to last - HIGH QUALITY CERAMIC MUG.