May 13, 2021

Free Sliders from White Castle for Loyalty Members on May 15, 2021

Celebrating National Slider Day, White Castle will give out a free Slider each to members of their Craver Nation loyalty program on Saturday, May 15, 2021.

No purchase is necessary to claim the free Slider of your choice. The "free Slider" offer can be found in the White Castle mobile app.

White Castle introduced National Slider Day in May 2015, which is appropriate considering they are thought to have originated the term.

Photo via White Castle.

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