This 3 - year monthly planner makes an excellent organizer for those who have important events to plan for in a year or two. You can use this calendar notebook for 2021, 2022, and 2023. It has a matte cover for durability. It is a comfortable 8.5" x 11" paperback size to easily provide ample room for notes, appointments, and to-do lists. The interior format is 2 pages per month.