Mar 10, 2021 It’s time for another entry in the hot hard seltzer market...and believe it or not it’s from Sonic! Since their slushes are such a great hit, they’ve decided to take eight of their favorite flavors and hit them with a bit of booze. And nom not a dream, the company confirmed the news via Insta. But no, you won’t be able to score one of these with your burger – the seltzers will be available in supermarkets, grocery stores and other stores. So what flavors are we talking? There are two multi-packs: Citrus Variety Pack includes Lemon Berry, Classic Lemonade, Cherry Limeade and Original Limeade