Knock Knock Inner-Truth Magnet, Common Sense Is Not So Common Speak your mind without saying a word, this powerfully strong magnet tells the truth so you don't have to Common sense is not so common, Voltaire Magnet is 3 x 3 inches Inner-Truth Magnets say what everyone's really thinking - in bold, colorful style This magnet is strong enough to hold its own against whatever fridge or office clutter it meets