New eclipse-themed treat is coming soon: What to know about Sonic's Blackout Slush Float
Sonic will also be handing out free solar eclipse viewing glasses with every purchase of the Blackout Slush Float. The solar ...
An eclipse-themed treat: Sonic's new Blackout Slush Float available starting today
Sonic Drive-In is releasing a Blackout Slush Float starting today March 25 until May 5 in honor of the upcoming total solar ...