Postmates x Shake Shack Deliver Free ShackBurgers® for #Couchella

Postmates and Shake Shack are now officially partners. That means you can have your favorite burgers, fries and shakes delivered directly to your door. To celebrate, we’re delivering free ShackBurgers® this weekend. And just in time for #Couchella! As an official partner of Coachella 2020, we are excited to bring you burgers while you watch the…