Knock Knock High Five Nifty Note Pad Nothing is more satisfying than congratulating someone with a classic high five Less taxing than the manual version and guaranteed to outlast even the most overzealous verbal praise Modern-day etiquette for the masses 4 x 5.25 inches; 50 sheets Knock Knock is an independent maker of clever gifts, books, and whatever else we can think up; our mission is to bring humor, creativity, and smarts to everyday life