Howl-oween is around the corner, so we’re treating your pups to something sweet! Download the SONIC app and order a FREE Wag Cup with any purchase in the app, now thru Oct. 31! This whipped cream treat will have their tails waggin'! 🐶 Offer is valid through October 31, 2022 for up to three free Wag Cups with any purchase online or in the SONIC App as a registered user, while supplies last. Discount will automatically apply in the app. Not valid with combos, delivery, or other offers.