Today only, stop by a Sonic and pick up any milkshake for 1/2 off.
Celebrate the shortest event of the year and keep your energy up for the final push into Christmas and New Year’s with half price shakes all day on Friday, December 21 at SONIC. It will be one of your last opportunities to enjoy our Chocolate Holiday Mint Shake before it goes away at the end of the year.
For more details on this offer, you can head to the Sonic Facebook Page.
You must mention the offer when you order to receive the discount.