Offer valid for 30 days from email send date for orders placed on the Shake Shack Mobile App or via shakeshack.com at participating Shake Shack locations (excluding airports, stadiums and ballparks). Offer is not valid for in-store orders or for orders made through third party delivery apps. One time use per order. Max savings of up to $6.29. Order total must include a minimum of $5 worth of food products (burgers, sandwiches, fries, chicken bites, hotdogs, drinks, shakes, frozen custard, poochinis, bag o’ bones) to qualify excluding any applicable taxes, service fees or any LTO Shakes. Offer excludes paid add-ons such as whipped cream and malt. Must be signed into a registered account for the discount to apply. Use unique code at checkout.