Celebrate National Slider Day with Krystal Restaurants’ Buy One Get One (BOGO) Slider Deal on May 15. This is a chance to enjoy double the pleasure of either an Original Krystal or Cheese Krystal for the price of one. Honoring their roots from the Great Depression era, Krystal continues to offer quality food at affordable prices. Their signature slider, featuring a grilled patty, diced onions, mustard, and dill pickle on a steamed bun, can be yours at a special price. This offer is valid only for orders through Krystal.com or the Krystal mobile app, using the code SLIDERDAY. Don’t miss this opportunity to enjoy more of what you love from Krystal. For easy access, download the official Krystal app for free from the App Store or Google Play.