Tree-Free Greetings Extra Large 20-Ounce Ceramic Coffee Mug, Aunty Acid Lesson from Cats (XM41388) Jumbo 20 oz capacity ceramic mug with comfortable full-sized handle makes this the perfect mug for coffee, tea or soups Dishwasher and microwave safe. BPA free and Proposition 65 compliant. Aunty Acid delivers a daily dose of sarcastic, witty, comical, humorous and sassy adult humor to both men and women. This unique cup is a great addition to your desk and will be admired by co-workers This funny, novelty cat coffee mug is the perfect gift for the cat lovers in your life. Makes the perfect Christmas, birthday, or "just because" gift for any kitty owner and is sure to make them laugh "We could all learn a lesson from catswhen crap arrives, kick some grass over it and get on with you life." by The Backland Studio