This set of calendar pieces can turn almost any pocket chart into a reusable, versatile calendar! The pieces can fit into most pocket charts and you'll get 104 total cards: 12 monthly headers (each 10 1/4" x 2 3/4"), 84 calendar cards (each 2 5/8" wide) and 8 days of the week cards (5 3/4" x 2 3/8").