White Castle will help make spirits bright by offering a special deal to customers who visit in costume between Dec. 21 and 24. During those three days, anyone wearing a Santa hat will receive a small soft drink or small coffee at no charge. For those more spirited customers donning a full Santa Claus suit or other festive holiday costume, White Castle will provide three free Original Sliders. (There is a limit of one free offer per customer per day.) –locator
Redeemable on the app or a digital coupon available on White Castle’s website.
