Shake Shack Offers Free Fries with Purchase of Any Burger/Sandwich for Vaccinated Customers

Shake Shack is offering free orders of Crinkle Cut Fries with the purchase of any burger or chicken sandwich to customers vaccinated for COVID-19 at participating locations chain-wide through Saturday, June 12, 2021.

To take advantage of the deal, you'll need to show a vaccination card to the cashier when ordering (the promotion is not available for online, mobile, or delivery orders). You can find further details on their website.

Participating locations include all US locations except for those at airports, stadiums, and ballparks.

Photo via Shake Shack.