The slush is available on the Sonic app right now. But if you want it bundled with one of the straws, you’ll have to head there on May 5 to snag one while supplies last.

And yes, they're included (as long as supplies last) with the slush, which we're told will be available at participating locations through June, starting at $3.99 (prices may vary).

The Picklerita Slush starts at $3.99 for a 20 oz. SONIC x Grillo’s Pickles Seasoned Tots or Groovy Fries: Choose from SONIC Tots or Groovy Fries covered in Grillo’s Pickle seasoning, starting ...

The Blackout Slush Float hits the Sonic menu on March 25 and will be available until May 5. While the glasses are included for free with the purchase of the drink, they are only up for grabs while ...