Make every day of the year a treat with this Jack Russell Terrier calendar. This 12 month Jack Russell calendar will add character to your kitchen or office and show off your favorite breed. The Jack Russell Terriers calendars are approximately 12 x 24 inches when hanging open and feature beautiful photography for each month that will inspire you and make you smile. The Jack Russell Terrier calendar will be the hit of your home and a delight for the entire year. View all Jack Russell Terrier Gifts & Products.