It's that time of year again! In honor of its namesake date—and its birthday—7-Eleven is giving away free Slurpees on July 11. The tradition has been around for well over a decade, with the first 7-Eleven Day taking place back in 2002 as a way to celebrate the convenience store's 75th birthday. Come 2019, the store is the ripe old age of 92 and you can once again get a free cold drink in honor of the occasion.

So as to rein in the chaos, there are a few rules you should be aware of, starting with the time limits. It's easy enough to remember: Free Slurpees are available while supplies last between 11 a.m. and 7 p.m. Thursday. Sensing a theme here? There's a limit of one Slurpee per customer, per location...so if you feel like driving over to the next 7-Eleven for another 12-ounce cherry/Coke/blueberry lemonade drink, no one will stop you...however, you may want to stick to one.

The chain expects to give away a whopping 9 million free drinks Thursday, USA Today reports, so while you won't have to pay a dime, there is a good chance you'll have to wait in line. Beyond drinks, there are deals on snacks with $1 Big Bite hot dogs, pizza slices, and cherry Slurpee-flavored cookies. 7Rewards members will have access to $1 Nashville hot chicken tenders through the app too.

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Another incentive to download the app: If your app is scanned (or phone number entered) when you pick up your free Slurpee Thursday, you'll get a coupon for another free Slurpee, this one of any size, to use between July 12 and August 12. Free iced drinks = a much more bearable summer day.