In celebration of National Cheeseburger Day, Jack in the Box is offering a free Jumbo Jack Cheeseburger with any purchase through the brand’s app from Friday, September 18 through Sunday, September 20, 2020.
To score the deal, simply make any purchase through the Jack in the Box mobile app during the promotion period and you’ll qualify for a free Jumbo Jack Cheeseburger on the house.
The Jumbo Jack Cheeseburger features a pure beef patty topped with two slices of American cheese, lettuce, tomato, pickles, chopped onions, real mayonnaise, and ketchup on a buttery bakery bun.
Jack in the Box’s National Cheeseburger Day promotion is valid at participating locations nationwide for a limited time.
National Cheeseburger Day is celebrated every year on September 18.
Image – Jack in the Box