Brighten someone’s day—or deliver the ultimate grump message—with this hilarious cartoon mug featuring a bald, scowling man in a red jacket and glasses, arms crossed under the sarcastic phrase: "I'm so grumpy I’m not even talking to myself." Standing at approximately 9.5 cm in height and 8.0 cm in diameter, this 325 ml (11 oz) mug is made from high-quality ceramic and is both dishwasher-proof and microwave-safe. Its large C-handle ensures a comfortable grip, making it a practical and amusing gift for friends, coworkers, or anyone who appreciates a bit of cranky humor with their morning coffee.