White Castle Restaurants: National Slider Day: Any Two Original Sliders
White Castle is having their National Slider Day and offering Any Two Sliders for Free!
Valid only on May 15, 2015 with this Printable Coupon at participating locations.
Please note: coupon is valid only on May 15, 2015. Offer valid for any single Slider on oa bun (excludes waffles and toast sandwiches). Not valid with any other coupons, discounts, specials, online orders or offers. Limit one coupon per customer per visit.