If you know a librarian who's also an amazing dad, this funny black coffee mug is the ideal gift for them. With its unique quote 'Librarian by Day, World's Best Dad by Night' and high-quality ceramic material, it's a thoughtful present for any birthday celebration. The mug is available in black with a capacity of 11oz or 15oz, making it suitable for both hot and cold beverages. It's also microwave and dishwasher safe, making it easy to clean and maintain. Whether you're a dad looking for a unique gift for a librarian or a librarian seeking a funny mug for your daily coffee, this product is sure to bring a smile to their face. So why wait? Get this amazing gift for the special librarian in your life today!

• This funny black coffee mug is a thoughtful gift for any librarian, making it a great present for their birthday or any other special occasion.
• The mug's unique quote 'Librarian by Day, World's Best Dad by Night' adds a touch of humor and personality to the gift.
• The ceramic material is high-quality and sturdy, ensuring the mug will withstand daily use and cleaning.
• The mug is available in black with a capacity of 11oz or 15oz, making it suitable for both hot and cold beverages.
• Gift this amazing mug to the librarian in your life and make their day a little brighter - order now and get ready for a smile!