Have you been studying really hard and stuck on a math problem? Well don't worry, because I'm An Engineer Good With Math. This is a sarcastic coffee mug for any engineer who enjoys math and has a good sense of humor. Makes a perfect gift for your favorite engineer or math student! Ceramic 11 oz mug dimensions: 3.85? (9.8 cm) in height, 3.35? (8.5 cm) in diameter 15 oz mug dimensions: 4.7? (12 cm) in height, 3.35? (8.5 cm) in diameter Dishwasher and microwave safe Blank product sourced from China Additional Details ------------------------------ Product description: Have you been studying really hard and stuck on a math problem? Well don't worry, because I'm An Engineer Good With Math. This is a sarcastic coffee mug for any engineer who enjoys math and has a good sense of humor. Makes a perfect gift for your favorite engineer or math student! Ceramic 11 oz mug dimensions: 3.85″ (9.8 cm) in height, 3.35″ (8.5 cm) in diameter 15 oz mug dimensions: 4.7″ (12 cm) in height, 3.35″ (8.5 cm) in diameter Dishwasher and microwave safe Blank product sourced from China