Includes: six (6) notepads, 6 x 9-inches, 60 sheets each. Knock Knock Pads have hard chipboard backing, and are printed on FSC-certified paper. In 2003, Knock Knock blazed the trail of notepad ingenuity, organizing lives, tickling funny bones, spawning imitators, and so much more. Don't let yet another 168 hours of your life get away from you. This purpose-driven to do list notepad lets you organize your daily affairs and monitor the big picture at the same time. You can even get a jump on next week's tasks as you maximize efficiency over and over - and over - again.