TUL Discbound Daily Appointment Refill Pages, 4-Person Group Appointments, Letter Size, Undated, 50 Sheets - The TUL Custom Note-Taking System Discbound Daily Appointment Refill Pages can be used by up to 4 people, making them great for families or small businesses. The pages feature quarter-hourly appointments and are undated, so you can fill them in as important events come up.