Celebrate bison and the 250th anniversary of the United States with the most American calendar available, featuring the ball sacs of our badass national mammal. Each month features a different bison ball sac - the colder the month, the hairier the sac. A unique, unforgettable gift for fans of bison and American history, or anyone with the cojones to laugh every day of the year.

Bison facts and history throughout the year on each month. Major American and Canadian holidays noted throughout. Made in the US. 9”x9” (9”x18” open).

Pre-order now through November 1st and receive a free Bison in Bark note card with envelope for every calendar ordered. Delivery of all pre-ordered wall calendars will be before November 1st.