National Industries for The Bl 7892455 Triple Calendar Board, 3-Mth, f/ 12-1/4"x29-5/8" Refills,BN Sold as 1 EA. Triple calendar board is perfect for long-term planning. Long-lasting chipboard displays three months at a time. Chestnut color chipboard has a reinforced hole for hanging. Board is made using 100 percent recycled content with 50 percent post-consumer material. Calendars are not included.