Free White Castle Sliders: One-Day Flavor Explosion!

White Castle’s iconic mini burgers are making a grand appearance this Slider Day! These pocket-sized classics—with their steam-grilled onions, soft buns, and juicy beef patties—have been an American favorite since 1921. On May 15, simply use code SLIDERDAY at any of White Castle’s 300+ locations nationwide to claim your free slider. The perfect opportunity for loyal fans to indulge or newcomers to discover what makes these little burgers legendary. Looking for more than just a free meal? Visit White Castle’s social media the following day for an exclusive wallpaper download. Good things really do come in small packages—especially when they’re free!

Sponsor: White Castle – “Savor the Crave: Bite into White Castle’s Flavor Revolution!”

Sample: Free Sliders from White Castle

Entry Type: Single Entry

Eligibility: Open to U.S. residents aged 18 and older.

How to request sample: Click Request Sample below and then sign up.

REQUEST SAMPLE NOW