Express yourself the thinly veiled way! This passive-aggressive memo pad lets you clearly but (somewhat) subtly address a range of behavioral failures in others including poor attitude and lackluster hygiene. Great for communication between roommates and frenemies! Make communication sweet and sour with Knock Knock passive aggressive nifty notes. They?re modern-day etiquette for the masses. 4 x 5.25 inches; 50 sheets. We are Knock Knock, independent makers of clever gifts, books, and whatever else we can think up. We bring humor, creativity, and smarts to everyday life. Get to know us and see our stuff at knockknockstuff.com.