Language-lovers can get their caffeine fix and their grammar fix with these droll ceramic mugs clarifying oftconfused homophones. Our They're, Their, There Mug explains "They're having their coffee over there," while our Two, Too, To Mug reads "Two cups of coffee are not too many to have each day." The Effect, Affect Mug warns "The effect of caffeine can greatly affect my mood." These 11-ounce mugs are sure to garner chuckles from friends and coworkers...and maybe even teach them a thing or two! Dishwasher and microwave safe.