Fast food chain White Castle, famous for its small square burgers, is giving out free beef slider in celebration of its 88th year in business throughout July 12.

People can download a coupon to get a burger at whitecastle.com in the promotion called Happy 88th Birthday to us, happy free slider to you.

The chain also said it will offer special prices for its meals. To find the closest branch click here.

The promotion is limited to one slider per customer per visit.

Free